cal命令运用
<shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"> <stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"> <stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="FONT-SIZE: 12pt; COLOR: red; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">精选应用<span lang="EN-US">5:</span>已知任意斜线及圆圆心于线段端点<span lang="EN-US">2上,欲将圆自圆心点2与端点3线段上移动25的距离:</span>
<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><shape id="_x0000_i1025" alt="" type="#_x0000_t75" style="WIDTH: 195.75pt; HEIGHT: 75pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_catl.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image001.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: MOVE</span><br/>选取对象<span lang="EN-US">: <- 选取圆1</span><br/>选取对象<span lang="EN-US">: <- </span><br/>指定基准点或位移<span lang="EN-US">: <- 选取圆中心点</span><br/>指定位移的第二点或<span lang="EN-US"> <使用第一点作为位移>: 'CAL</span><br/>>> 表示式<span lang="EN-US">: @+vee1*25 <- 输入表示式</span><br/>>> 选取一个端点给<span lang="EN-US"> VEE1: <- 选取端点2</span><br/>>> 选取另一个端点给<span lang="EN-US"> VEE1: <- 选取端点3</span><br/>(152.103 -11.8027 0.0) <- 求得位移点坐标<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">6:</span>承上题,如果要将圆移至端点<span lang="EN-US">3的25的位置上,如图所示:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1026" alt="" type="#_x0000_t75" style="WIDTH: 186.75pt; HEIGHT: 84.75pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal6.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image002.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: MOVE</span><br/>选取对象<span lang="EN-US">: <- 选取圆1</span><br/>选取对象<span lang="EN-US">: <-</span><br/>指定基准点或位移<span lang="EN-US">: <- 选取圆中心点</span><br/>指定位移的第二点或<span lang="EN-US"> <使用第一点作为位移>: 'CAL</span><br/>>> 表示式<span lang="EN-US">: pld(end,end,25) <- 输入表示式</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点3</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点2</span><br/>(147.624 -80.7839 0.0) <- 求得位移点坐标<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">7:</span>已知任意斜线欲完成一个正三角形,边长为斜线的<span lang="EN-US">3倍,角度方向与斜线相同:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1029" alt="" type="#_x0000_t75" style="WIDTH: 177.75pt; HEIGHT: 60.75pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal7.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image003.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: POLYGON</span><br/>输入边的数目<span lang="EN-US"> <5>: 3 <-输入边数</span><br/>指定多边形的中心点或<span lang="EN-US"> [边缘(E)]: E <- 输入选项</span><br/>指定边缘的第一个端点<span lang="EN-US">: <- 选取任意一点为起点</span><br/>指定边缘的第二个端点<span lang="EN-US">: 'CAL </span><br/>>> 表示式<span lang="EN-US">: @+vee*3 <- 输入表示式</span><br/>>> 选取一个端点给<span lang="EN-US"> VEE: <- 选取端点1</span><br/>>> 选取另一个端点给<span lang="EN-US"> VEE: < -选取端点2</span><br/>(138.543 -168.946 0.0) <- 求得长度方向坐标点<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">8:</span>已知任意两条相交线段即另一条水平线,请于水平线上完成一弧夹角同<span lang="EN-US">P1-P2-P3:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1030" alt="" type="#_x0000_t75" style="WIDTH: 217.5pt; HEIGHT: 63pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal8.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image004.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: ARC</span><br/>指定弧的起点或<span lang="EN-US"> [中心点(C)]: <- 选取端点1</span><br/>指定弧的第二点或<span lang="EN-US"> [中心点(C)/终点(E)]: C <- 输入选项</span><br/>指定弧的中心点<span lang="EN-US">: <- 选取端点2</span><br/>指定弧的终点或<span lang="EN-US"> [角度(A)/弦长(L)]: A <- 输入选项</span><br/>指定夹角<span lang="EN-US">: 'CAL</span><br/>>> 表示式<span lang="EN-US">: ang(int,end,end) <- 输入表示式</span><br/>>> 选取像素给<span lang="EN-US"> INT 锁点: <- 选取交点P2</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点P1</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点P3</span><br/>43.7612 <- 求得弧夹角<span lang="EN-US">A</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">9:</span>承上一单元精选应用<span lang="EN-US">8,请将线段与弧,以端点2为基准点旋转角度同P2至P1:</span>
<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1027" alt="" type="#_x0000_t75" style="WIDTH: 217.5pt; HEIGHT: 64.5pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal9.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image005.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">:ROTATE<br/>目前使用者坐标系统中的正向角: ANGDIR=逆时钟方向ANGBASE=0<br/>选取对象: <- 选取右侧弧与线<br/>选取对象: <-<br/>指定基准点: <-选取端点2<br/>指定旋转角度或 [参考(R)]: 'CAL<br/>>> 表示式: ang(end,end) <-输入表示式<br/>>> 选取像素给 END 锁点: <-选取端点P2<br/>>> 选取像素给 END 锁点: <- 选取端点P1<br/>72.2417 ß 求得线段角度A</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <span lang="EN-US"><p></p></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">10:</span>已知任意线段,欲于线段<span lang="EN-US">3/5位置上完成一圆,半径为线长的1/8:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1028" alt="" type="#_x0000_t75" style="WIDTH: 235.5pt; HEIGHT: 99pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal10.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image006.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: CIRCLE</span><br/>指定圆的中心点或<span lang="EN-US"> [三点(3P)/两点(2P)/相切,相切,半径(T)]: 'CAL</span><br/>>> 表示式<span lang="EN-US">: plt(end,end,3/5) <- 输入表示式</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点1</span><br/>>> 选取像素给<span lang="EN-US"> END 锁点: <- 选取端点2</span><br/>(139.943 -345.825 0.0) <- 求得圆心位置坐标<br/>指定圆的半径或<span lang="EN-US"> [直径(D)] <8.5434>: 'CAL</span><br/>>> 表示式<span lang="EN-US">: dee/8 <- 输入表示式</span><br/>>> 选取一个端点给<span lang="EN-US"> DEE: <- 选取端点1</span><br/>>> 选取另一个端点给<span lang="EN-US"> DEE: < - 选取端点2</span><br/>6.68901 <- 求得圆半径值<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">11:</span>已知任意线段,请画一个半径<span lang="EN-US">20的圆与线段的中点相切:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1031" alt="" type="#_x0000_t75" style="WIDTH: 200.25pt; HEIGHT: 85.5pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal11.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image007.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: CIRCLE</span><br/>指定圆的中心点或<span lang="EN-US"> [三点(3P)/两点(2P)/相切,相切,半径(T)]: 2P <- 输入选项</span><br/>指定圆直径的第一个端点<span lang="EN-US">: mid <- 选取中点3</span><br/>指定圆直径的第二个端点<span lang="EN-US">: 'CAL </span><br/>>> 表示式<span lang="EN-US">: @+nee*40 <- 输入表示式</span><br/>>> 选取一个端点给<span lang="EN-US"> NEE: <- 选取端点1</span><br/>>> 选取另一个端点给<span lang="EN-US"> NEE: <- 选取端点1</span><br/>(115.763 -389.846 0.0) <- 求得另一个直径点<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">12:</span>已知两条任意线段,请于两线段端点间交点处绘制半径<span lang="EN-US">10的圆:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1032" alt="" type="#_x0000_t75" style="WIDTH: 217.5pt; HEIGHT: 70.5pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal12.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image008.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: CIRCLE</span><br/>指定圆的中心点或<span lang="EN-US"> [三点(3P)/两点(2P)/相切,相切,半径(T)]: 'CAL</span><br/>>> 表示式<span lang="EN-US">: ille <- 输入表示式</span><br/>>> 选取一个端点给<span lang="EN-US"> ILLE:第一条线: <- 选取端点1</span><br/>>> 选取另一个端点给<span lang="EN-US"> ILLE:第一条线: <- 选取端点4</span><br/>>> 选取一个端点给<span lang="EN-US"> ILLE:第二条线: <- 选取端点2</span><br/>>> 选取另一个端点给<span lang="EN-US"> ILLE:第二条线: <- 选取端点3</span><br/>(147.396 -488.861 0.0) <- 求得圆心坐标点<br/>指定圆的半径或<span lang="EN-US"> [直径(D)] <20.0000>: 10 <- 输入半径</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">13:</span>已知矩形条件如下:<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1033" alt="" type="#_x0000_t75" style="WIDTH: 129pt; HEIGHT: 57pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal13.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image009.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令<span lang="EN-US">: RECTANG</span><br/>指定第一个角点或<span lang="EN-US">[倒角(C)/高程(E)/圆角(F)/厚度(T)/线宽(W)]: <- 选取左下角点</span><br/>指定其它角点<span lang="EN-US">: 'CAL</span><br/>>> 表示式<span lang="EN-US">: [@sqr(8.35),sqrt(2)*9.5] <- 输入表示式</span><br/>(111.524 -558.998 0.0) <- 求得另一角坐标点<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">1:</span>已知一个任意圆,画出一个同心圆半径为该圆的<span lang="EN-US">5/7</span>
<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1034" alt="" type="#_x0000_t75" style="WIDTH: 186.75pt; HEIGHT: 75pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cat1.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image010.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令: CIRCLE<br/>指定圆的中心点或 [三点(3P)/两点(2P)/相切,相切,半径(T)]: CEN<br/>于 <- 选取圆1中心点<br/>指定圆的半径或 [直径(D)] <48.4441>: 'CAL <- 输入’CAL<br/>起始设定...>> 表示式: RAD*5/7 <- 输入表示式<br/>>> 为 RAD 函数选取圆, 弧或聚合线段: <- 选取圆1,完成图形<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> 精选应用<span lang="EN-US">2:</span>已知二圆,请于两圆连心线中点,画上一个半径为<span lang="EN-US">5的小圆:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1035" alt="" type="#_x0000_t75" style="WIDTH: 231pt; HEIGHT: 79.5pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal2.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image011.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令: CIRCLE<br/>指定圆的中心点或 [三点(3P)/两点(2P)/相切,相切,半径(T)]: 'CAL<br/>>> 表示式: (CEN+CEN)/2 <- 输入表示式<br/>>> 选取像素给 CEN 锁点: <- 选取圆1中心点<br/>>> 选取像素给 CEN 锁点: <- 选取圆2中心点<br/>(190.229 161.234 0.0) <- 求得中点坐标值<br/>指定圆的半径或 [直径(D)] <8.9804>: 5 <-输入半径5<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"> <p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">3:</span>已知矩形与一条线段,请以矩形对角中点为圆心,线段长度为参考半径,完成一圆<font face="Times New Roman">:<p></p></font></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1036" alt="" type="#_x0000_t75" style="WIDTH: 240pt; HEIGHT: 64.5pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal3.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image012.gif"><font face="Times New Roman"></font></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令: CIRCLE<br/>指定圆的中心点或 [三点(3P)/两点(2P)/相切,相切,半径(T)]: 'CAL<br/>>> 表示式: MEE <- 输入表示式<br/>>> 选取一个端点给 MEE: <- 选取端点1<br/>>> 选取另一个端点给 MEE: <-选取端点2<br/>(70.2147 87.3565 0.0) <- 求得中点坐标值<br/>指定圆的半径或 [直径(D)] <5.0000>: 'CAL<br/>>> 表示式: DEE <-输入表示式<br/>>> 选取一个端点给 DEE: <-选取端点3<br/>>> 选取另一个端点给 DEE: <-选取端点4<br/>17.3398 <- 求得线段长度值<p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">精选应用<span lang="EN-US">4:</span>绘制正五边形,边长为<span lang="EN-US">456之平方根:</span><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><shape id="_x0000_i1037" alt="" type="#_x0000_t75" style="WIDTH: 75.75pt; HEIGHT: 68.25pt;"><imagedata ohref="http://www.autocad.com.tw/images/study_cal4.gif" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image013.gif"></imagedata></shape><p></p></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;">指令: POLYGON<br/>输入边的数目 <4>: 5 <- 输入边数<br/>指定多边形的中心点或 [边缘(E)]: E <-
输入选项<br/>指定边缘的第一个端点: <-
选取任意一点为起点<br/>指定边缘的第二个端点: 'CAL<br/>>> 表示式: [@SQRT(456)<0] <- 输入表示式<br/>(85.7895 9.51962 0.0) <-
求得第二端点坐标<p></p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><p><font face="Times New Roman"> </font></p></p></shapetype></span></span></span> <p>我们的版主以前也发过这样的帖子</p><p>而且带动画的,如果感兴趣的话,可以搜一下</p>
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