对象有绘制点、字符串、直线、圆弧、椭圆和许多其他形状的方法。
Object has methods to draw points, strings, lines, arcs, ellipses, and many other shapes.
在图形的绘制模块中又可以分成七个小的模块：直线、虚线、圆和圆弧、椭圆及椭圆弧、样条曲线。
Drawing module is divided into seven small modules: dash, line, rectangle, circle, arc, ellipse and bezier.
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;
将椭圆弧线绘制到屏幕。
将椭圆弧线绘制到屏幕。
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