当给子程序的参数赋以初值后，由计算机控制自动绘图机绘制出尺寸界线、尺寸线、箭头和注写尺寸数字。
After the subroutine parameter is given the origin number, the plotter controlled by computer can draw out automatically extension line, dimension line, arrowhead and write dimension figures.
自动绘图和显示是电机CAD中一项首先待解决的问题。
The automatic drawing and display are primary problems to solve for electric machine CAD.
通过对大量空间角度的自动计算和自动绘图检验，证明了方案具有简便、精确和通用的特点。
By having used computer calculation and illustration of automatic graph plotter to test plenty of space angles, the scheme proved to have the feature of simple, convenient, precision and general.
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