I coded this file by hand, which is one option, but most people are more comfortable with a 3d drawing program, using X3D to render for the Web.
我是手工编写这个文件的，这是一种选择，但是大部分人更喜欢使用3d绘图程序，并使用X3D呈现给Web。
In this paper, a core program package related for drawing pictures in micro computers with Oriented Geometry is presented to describe profile of machine parts in numerical control.
本文以有向几何为背景陈述一个微机绘图核心程序包，用它描写数控加工零件的平面外型轮廓，并在微机上绘制各种复杂的平面图形。
If drawing is your Nemesis, this is a program you will want to view over and over to see how little is required to create a head of astounding sculptural quality on a flat piece of paper.
如果是你的克星图，这是一个程序你要查看一遍又一遍地看，需要多么少上创建一张纸扁惊人的雕塑的质量负责。
If drawing is your Nemesis, this is a program you will want to view over and over to see how little is required to create a head of astounding sculptural quality on a flat piece of paper.
如果是你的克星图，这是一个程序你要查看一遍又一遍地看，需要多么少上创建一张纸扁惊人的雕塑的质量负责。
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