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 <p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="25" width="28" alt="" src="http://file.open.com.cn/ItemDB/88709/3c46654a-6788-4da6-a587-2fbdd06ccb6c/2011328202018862.JPG" />图标按钮的功能是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span><span style="COLOR: blue"> </span><u><span lang="EN-US"><o:p></o:p></span></u></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">相减布尔操作</span></p>
B:<font face="宋体">相加布尔操作</font>
C:<font face="宋体">相交布尔操作</font>
D:<p><font face="宋体">特征创建操作</font></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span lang="EN-US">CAD/CAM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">系统应能根据</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">获得的零件的有关数据及技术参数,自动编制出数控加工源程序,求解出刀位文件,并将刀位文件转换成零件的数控加工程序。</span> </p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">人机交互</span></p>
B:<font face="宋体">显示器</font>
C:<font face="宋体">键盘</font>
D:<font face="宋体" size="3">应用软件</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">扫描法分为平面轮廓扫描和</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">扫描两种方法。</span> </p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">轨迹</span></p>
B:<font face="宋体">引导线</font>
C:<font face="宋体">三维实体</font>
D:<font face="宋体" size="3">三维线框</font>
<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">狭义</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">CAM</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">通常仅指数控程序的编制,包括</span><u><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">、刀位文件的生成、刀具轨迹的仿真和</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">NC</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">代码的生成等。</span>
A: <p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">对刀点的生成</span></p>
B:<p><font face="宋体"></font></p><p><font face="宋体">加工坐标系建立</font></p>
C:<p><font face="宋体"></font></p><p><font face="宋体">几何模型建立</font></p>
D:<p><font face="宋体"></font></p><p><font face="宋体">刀具路径的规划</font></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="mso-spacerun: yes"> </span><span lang="EN-US">CAD/CAM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">系统中把图形数据或指令传送给计算的一种装置是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,其功能包括输入点的坐标、输入具体的数值、确定选项、拾取图形目标和输入文本等。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">输出设备</span></p>
B:<font face="宋体">存储器</font>
C:<font face="宋体">输入设备</font>
D:<font face="宋体">主机</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span lang="EN-US">CAD/CAM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">系统的计算分析功能中,要根据三维模型计算相应物体的几何特征和</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">参数</span></p>
B:<font face="宋体">实体特征</font>
C:<font face="宋体">体积</font>
D:<font face="宋体" size="3">物理特征</font>
<p style="TEXT-INDENT: -31.5pt; MARGIN-LEFT: 31.5pt; mso-char-indent-count: -3.0" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">确定走刀路线的走刀原则是:保证零件的加工精度和</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,缩短走刀路线,减少进退刀时间和其它辅助时间。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span></p>
A: <p style="TEXT-INDENT: -31.5pt; MARGIN-LEFT: 31.5pt; mso-char-indent-count: -3.0" class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">表面纹理</span></p>
B:<p><font face="宋体"></font></p><p><font face="宋体">表面粗糙度</font></p>
C:<p><font face="宋体"></font></p><p><font face="宋体">加工时间</font></p>
D:<p><font face="宋体"></font></p><p><font face="宋体">加工公差</font></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">布尔运算包括交、并、</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">三种运算方式。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span></p>
A: <p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">加</span></p>
B:<font face="宋体">和</font>
C:<font face="宋体">乘</font>
D:<font face="宋体" size="3">差</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="33" width="33" alt="" src="http://file.open.com.cn/ItemDB/88709/655e7f10-cede-41ae-9e4f-53b0df816978/2011328203025869.JPG" />图标按钮的定位方式是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span> </p>
A:<font face="宋体">水平</font>
B:<font face="宋体">垂直</font>
C:<font face="宋体">平行</font>
D:<font face="宋体">正交</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="29" width="29" alt="" src="http://file.open.com.cn/ItemDB/88709/12772223-6088-4f85-a2ad-512140e04bab/2011328202333887.JPG" />图标按钮的功能是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span><span style="COLOR: blue"> </span><u><span lang="EN-US"><o:p></o:p></span></u></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">创建实体</span></p>
B:<font face="宋体">创建草图</font>
C:<font face="宋体">创建点</font>
D:<font face="宋体">创建基准</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="34" width="34" alt="" src="http://file.open.com.cn/ItemDB/88709/c154ad45-4778-425f-9c35-f7885163019b/2011328203645927.JPG" />图标按钮的定位方式是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span> <u><span lang="EN-US"><o:p></o:p></span></u></p>
A:<font face="宋体">平行距离</font>
B:<font face="宋体">角度</font>
C:<font face="宋体">两点重合</font>
D:<font face="宋体">点到线上</font>
<font face="Arial">线框造型分为<u> </u>造型和三维线框造型。</font>
A: <p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二维线框</span></p>
B:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">实体</span></p>
C:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">几何线框</span></p>
D:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">特征</span></p>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="30" width="31" alt="" src="http://file.open.com.cn/ItemDB/88709/3ef9d2f4-9ce2-4635-a2c0-5777f11658e6/2011328202653425.JPG" />图标按钮的功能是创建</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span><span style="COLOR: blue"> </span></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">线</span></p>
B:<font face="宋体">面</font>
C:<font face="宋体">点</font>
D:<font face="宋体">体</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="34" width="34" alt="" src="http://file.open.com.cn/ItemDB/88709/a61953b4-fc26-4201-92fb-2f8a03d2c9b3/2011328204040650.JPG" />图标按钮的功能创建是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span> <u><span lang="EN-US"><o:p></o:p></span></u></p>
A:<font face="宋体">孔</font>
B:<font face="宋体">凸台</font>
C:<font face="宋体">键槽</font>
D:<font face="宋体">型腔</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">几何造型通过对点、线、面、体等</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,经过平移、旋转等几何变换和交、并、差等布尔运算,产生实体模型。</span> </p>
A: <p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">特征</span></p>
B:<font face="宋体">像素</font>
C:<font face="宋体">几何元素</font>
D:<font face="宋体">几何实体</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">优化设计包括总体方案的优化、</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的优化和工艺参数的优化等。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span></p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">设计参数</span></p>
B:<font face="宋体">加工参数</font>
C:<font face="宋体">各子方案</font>
D:<font face="宋体">零件结构</font>
<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">就工程数据管理而言,</span><span lang="EN-US">CAD/CAM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">系统应具有良好的信息传输管理功能和</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">功能,支持产品设计与制造全过程的信息传输与交换,并可以在多个设计者或设计小组之间实现信息传输及共享。</span><span style="COLOR: blue"> <span lang="EN-US"><o:p></o:p></span></span>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">信息集成</span></p>
B:<font face="宋体">信息交换</font>
C:<font face="宋体">数据处理</font>
D:<font face="宋体">数据传输</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="34" width="34" alt="" src="http://file.open.com.cn/ItemDB/88709/1fe4b945-a65a-421e-90fd-4cbe0059c07a/2011328203952508.JPG" />图标按钮的功能创建是</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span> <u><span lang="EN-US"><o:p></o:p></span></u></p>
A:<font face="宋体">孔</font>
B:<font face="宋体">凸台</font>
C:<font face="宋体">键槽</font>
D:<font face="宋体">型腔</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">打印机是把计算机中图形或文字信息输出到纸介质的一种设备,常见的打印机有喷墨打印机和激光打印机两种,在机械设计中使用的多为黑白线条图,因此,常采用打印速度快、效果好、耗材便宜的</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span> </p>
A:<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">喷墨打印机</span></p>
B:<font face="宋体">激光打印机</font>
C:<font face="宋体">三维打印机</font>
D:<font face="宋体" size="3">点阵式打印机</font>
<p class="MsoNormal" style="MARGIN-LEFT: 31.5pt; TEXT-INDENT: -31.5pt; mso-char-indent-count: -3.0"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><img height="29" width="28" alt="" src="http://file.open.com.cn/ItemDB/88709/3f1d0fd8-617a-4422-9587-c5395b991ec2/2011328202826459.JPG" />图标按钮的功能是创建</span><u><span lang="EN-US"><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span><span style="mso-spacerun: yes"> </span></span></u><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span><span style="COLOR: blue"> </span></p>
A:<font face="宋体">点</font>
B:<font face="宋体">线</font>
C:<font face="宋体">面</font>
D:<font face="宋体">体</font>
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