A new analytics of calculating the projection on a curved surface by means of computer-aided drawing skill is presented in this paper.
本文介绍了曲面上投影的计算方法，用计算机绘图技术作为实现这种方法的工具。由此得到一种新的投影视图——映射投影图。
This paper deals with the role and the prerequisite of establishing the computer-aided drawing system by means of unfolding sheet metal in modern production.
本文阐述了建立曲面展开计算机辅助绘图系统在现代生产中的作用与必要性。
Combined different rules of placement for point, line and polygon, the paper designed a program of automated text labeling for line feature in computer aided drawing.
结合制图中点、线、面状要素文本放置的不同规则，模仿制图者对特定地物文本放置要求，提出了计算机辅助制图下线状地物文本自动标注方案。
Hence adding the function of parameterization design under the foundation of computer aided drawing software can enhance drawing efficiency and quality.
因此，在现有计算机辅助绘图软件的基础上增加参数化设计功能可进一步提高绘图效率和质量。
Computer aided drawing is an important part in bearing CAD system, parametric drawing of roller bearing changes the traditional manual drawing method and realizes automation of roller bearing drawing.
计算机辅助绘图是滚动轴承CAD系统的重要组成部分，滚动轴承零部件的参数化绘图改变了传统的手工绘图方式并实现了自动绘图。
The paper introduces the system design of courseware, and the choice on platforms and development tolls of courseware for computer aided drawing course.
介绍《计算机绘图》课程教学与助学课件系统设计以及开发平台和工具的选择。
I have been teaching courses such as Engineering Graphics, Computer Aided Drawing and Mechanical Design.
主要教授课程：工程图学、计算机辅助制图、机械设计。
I have been teaching courses such as Engineering Graphics, Computer Aided Drawing and Mechanical Design.
主要教授课程：工程图学、计算机辅助制图、机械设计。
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