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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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。

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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。

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Mr Broughton said his boss, John Eardley, rang him a week after Mr Farr's death to ask him to retrospectively sign a method statement, a risk assessment and a computer-aided drawing of the barrier's construction.

BBC: Last Updated: Monday, 6 March 2006, 19:55 GMT