The traditional research of the pick machine is abstract and not easy to be modified because of two-dimensional drawing.
摘锭是采棉机的主要工作部件，传统研究方法是以二维平面图来表示其结构，非常抽象且不便于修改。
But because your visual system interprets the two-dimensional drawing as three-dimensional reality, you see the right side "in shade" and so perceive the right-side dot as bright, even glowing.
但是由于视觉系统将二维的图像转译为真实的三维，因此你会觉得右边的圆点会更亮更闪。
By using computer to draw two-dimensional map automatically, the oil workers are free from the tedious drawing work so that they are more focused on the analysis of oil exploration data.
利用计算机实现各种地质二维图件的自动绘制，可以将石油工作者从繁琐的绘图工作中解放出来，使他们更加专注于石油勘探数据的分析和解释。
Drawing and pretend writing-both two dimensional and representational-can open the gate to early literacy.
画画和假装写作是具有代表性的两个方向，开启了早期读写的大门。
In Chapter 2, some basic knowledge and rulers on mechanical drawing are reviewed, and the computer of two dimensional view features is introduced.
在第二章中，介绍了一些机械制图的基本知识及制图规则，并介绍了二维图形特征的概念。
In Chapter 2, some basic knowledge and rulers on mechanical drawing are reviewed, and the computer of two dimensional view features is introduced.
在第二章中，介绍了一些机械制图的基本知识及制图规则，并介绍了二维图形特征的概念。
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