20春学期《现代材料测试技术》在线平时作业3

adminhan

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">让透射束通过物镜光阑而把衍射束挡掉得到图像衬度的方法，叫做（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"> </span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;</span></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">明场成像<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">暗场成像<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;</font></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">中心暗场成像</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">俄歇电子能谱仪的主要功能是（<span lang="EN-US">&nbsp; </span>）。<span lang="EN-US"><o:p></o:p></span></span></p><p style="LINE-HEIGHT: 150%; TEXT-INDENT: 42pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 3.5" class="Default"><font size="3"><span style="FONT-FAMILY: 楷体_GB2312"><span lang="EN-US"></span></span></font></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 楷体_GB2312">测表面成分和晶体结构<span lang="EN-US"> </span></span></font></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 楷体_GB2312">测内部化学成分和组织<span lang="EN-US"> </span></span></font></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 楷体_GB2312">测表面化学成分<span lang="EN-US"> <o:p></o:p></span></span></font></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">影响电镜中透镜分辨本领主要是衍射效应和（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"> </span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; TEXT-INDENT: 78pt; MARGIN: 0cm 0cm 0pt 38.95pt; mso-char-indent-count: 6.5; mso-pagination: widow-orphan; mso-para-margin-left: 3.71gd" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt"></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US">&nbsp;</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">像散</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;</span></font></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">球差<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;</span></span></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">色差</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-pagination: widow-orphan"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; mso-font-kerning: 0pt">X</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">射线连续谱中存在一个短波极限，其波长入＝（　</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312">&nbsp;</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">　）。</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; mso-font-kerning: 0pt"><o:p></o:p></span></p>
A:<st1:chsdate w:st="on" year="1899" month="12" day="30" islunardate="False" isrocdate="False"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1.24</span></st1:chsdate><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">/V(</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">千伏<span lang="EN-US">)</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> nm&nbsp;<span style="mso-spacerun: yes">&nbsp;</span><span style="mso-spacerun: yes">&nbsp;</span></span>
B:<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;12.4/V(</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">千伏<span lang="EN-US">)</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> nm</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: &quot;Times New Roman&quot;; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes">&nbsp;</span></span>
C:<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">12.4/V</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">伏</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> nm</span>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">塑料一级复型的分辨率一般只能达到（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"> </span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;</span></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US">5nm</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">左右&nbsp;<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US">10nm</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">左右&nbsp;<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;</span></span></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US">20nm</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">左右</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 18pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 1.5" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt">仅仅反映固体样品表面形貌信息的物理信号是（<span lang="EN-US">&nbsp; </span>）。<span lang="EN-US"><o:p></o:p></span></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 18pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 1.5" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt">背散射电子</span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 18pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 1.5" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt">二次电子</span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 18pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 1.5" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt">吸收电子</span></p>
D:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 18pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 1.5" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt">透射电子</span></p>

&nbsp; <span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">透射电镜的两种主要功能是检测（<span lang="EN-US">&nbsp; </span>）。</span>
A:<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">表面形貌和晶体结构</span>
B:<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">内部组织和晶体结构</span>
C:<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">表面形貌和内部组织</span>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">能谱仪的分辨率比波谱仪（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"> </span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; TEXT-INDENT: 66pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 5.5; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">高</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US">&nbsp;</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;</font></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">低</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">相同<span lang="EN-US"><o:p></o:p></span></span></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">在透射电镜中称为衬度光阑的是（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;</span></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">聚光镜光阑</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;<span style="mso-spacerun: yes">&nbsp;&nbsp;</span>&nbsp;</font></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">物镜光阑<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">选区光阑</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p>

<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">电子枪中控制电子流量和流向的是（</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"> </span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">）。</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></p>
A:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">阴极</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></font></span></p>
B:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">栅极</span><span style="LINE-HEIGHT: 150%; FONT-SIZE: 12pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312" lang="EN-US"><font face="Times New Roman">&nbsp;&nbsp;&nbsp;<span style="mso-spacerun: yes">&nbsp;&nbsp;</span>&nbsp;</font></span></p>
C:<p style="LINE-HEIGHT: 150%; TEXT-INDENT: 24pt; MARGIN: 0cm 0cm 0pt; mso-char-indent-count: 2.0; mso-pagination: widow-orphan" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-font-kerning: 0pt">阳极</span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-font-kerning: 0pt" lang="EN-US"><o:p></o:p></span></p>

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">放大倍数是判断显微镜性能的根本指标。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: bold">原子序数衬度是利用对原子序数变化敏感的</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">背散射电子<span style="mso-bidi-font-weight: bold">作为调制信号而形成的形貌像。</span></span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">透射电镜成像系统中，若使中间镜物平面与物镜像平面重合的操作称为</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">成像</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">操作；而使中间镜的物平面与物镜背焦面重合的操作称为</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">衍射</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">操作。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">X</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">射线物相定性分析可以告诉我们被测材料中有哪些物相，而定量分析可以告诉我们这些物相的含量。</span>
A:错误
B:正确

<a name="OLE_LINK4"></a><a name="OLE_LINK3"><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"><span style="mso-bookmark: OLE_LINK4"><font color="#000000">扫描电镜二次电子像</font></span></span></a><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">的分辨率比背散射电子像更高。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US">X</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">射线是一种电磁波，产生<span lang="EN-US">X</span>射线的核心部件是<span lang="EN-US">X</span>射线管。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">当</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt" lang="EN-US">X</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">射线照射在一个晶体时，产生衍射的必要和充分条件是必须</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 10.5pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">满足布拉格方程。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">面心点阵的系统消光规律是<span lang="EN-US"> H+k+L </span>为偶数时出现反射，而<span lang="EN-US"> H+K+L </span>为奇数不出现反射。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">体心立方点阵的系统消光规律是当<span lang="EN-US"> H</span>、<span lang="EN-US">k</span>、<span lang="EN-US">L</span>全为奇数或全为偶数时才出现反射。</span>
A:错误
B:正确

<span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">透射电镜成像系统中，若使中间镜物平面与物镜像平面重合的操作称为</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">成像</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">操作；而使中间镜的物平面与物镜背焦面重合的操作称为</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">衍射</span><span style="FONT-FAMILY: 楷体_GB2312; FONT-SIZE: 12pt; mso-hansi-font-family: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">操作。</span>
A:错误
B:正确