CBSCAD系统主要功能有：1．相对完善的图形元素：直线、矩形、圆弧、椭圆、自由曲线及文本等的交互绘制。

The main functions of the CBSCAD system include: 1. drawing enough graph elements: line, rectangular, arc, ellipse, curve and text and so on;

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CBSCAD系统主要功能有：1．相对完善的图形元素：直线、矩形、圆弧、椭圆、自由曲线及文本等的交互绘制。

The main functions of the CBSCAD system include: 1. drawing enough graph elements: line, rectangular, arc, ellipse, curve and text and so on;

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