<font color="#0000ff"><b>C:TT</b></font>
<font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/47.htm" target="_black"><font color="#0000ff">/</font></a> SS SS_L N LEN<font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/SETVAR.htm" target="_black"><font color="#0000ff">SETVAR</font></a>
<font color="#ff00ff">"CMDECHO"</font>
<font color="#008000">0</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/SETQ.htm" target="_black"><font color="#0000ff">SETQ</font></a> SS <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/SSGET.htm" target="_black"><font color="#0000ff">SSGET</font></a> '<font color="#ff0000">(</font><font color="#ff0000">(</font><font color="#008000">0</font> . <font color="#ff00ff">"ARC,CIRCLE,*LINE,ELLIPSE"</font><font color="#ff0000">)</font><font color="#ff0000">)</font><font color="#ff0000">)</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/SETQ.htm" target="_black"><font color="#0000ff">SETQ</font></a> N <font color="#008000">0</font> LEN <font color="#008000">0</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/REPEAT.htm" target="_black"><font color="#0000ff">REPEAT</font></a>
<font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/SSLENGTH.htm" target="_black"><font color="#0000ff">SSLENGTH</font></a> SS<font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/command.htm" target="_black"><font color="#0000ff">command</font></a>
<font color="#ff00ff">"lengthen"</font>
<font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/ssname.htm" target="_black"><font color="#0000ff">ssname</font></a> ss n<font color="#ff0000">)</font>
<font color="#ff00ff">""</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/setq.htm" target="_black"><font color="#0000ff">setq</font></a> LEN <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/+.htm" target="_black"><font color="#0000ff">+</font></a>
<font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/getvar.htm" target="_black"><font color="#0000ff">getvar</font></a>
<font color="#ff00ff">"perimeter"</font><font color="#ff0000">)</font> LEN<font color="#ff0000">)</font> N <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/1+.htm" target="_black"><font color="#0000ff">1+</font></a> N<font color="#ff0000">)</font><font color="#ff0000">)</font><br/> <font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/PRINC.htm" target="_black"><font color="#0000ff">PRINC</font></a>
<font color="#ff00ff">"\n你所选到的像素的总长是"</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/PRINC.htm" target="_black"><font color="#0000ff">PRINC</font></a> lenn<font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/PRINC.htm" target="_black"><font color="#0000ff">PRINC</font></a>
<font color="#ff00ff">"<font color="#ff0000">(</font>mm<font color="#ff0000">)</font>...."</font><font color="#ff0000">)</font><br/> <font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/PRINC.htm" target="_black"><font color="#0000ff">PRINC</font></a><font color="#ff0000">)</font><br/><font color="#ff0000">)</font><br/><font color="#ff0000">(</font><a href="http://www.mjtd.com/object/autolisp/PRINC.htm" target="_black"><font color="#0000ff">PRINC</font></a>
<font color="#ff00ff">"\n输入TT执行求选集的总长....."</font><font color="#ff0000">)</font><br/></p>
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