阐述了作者的观点，同时，对《技术制图简化表示法》中的问题，提出了质疑，以期标准制定部门适时予以纠正。
The author's viewpoints are described. Some problems are proposed on "Technical Drawing, Ways of Simplified Expression", so that the department of formulating standard can rectify them in time.
本文的目的是利用UML改进GIS图形建模，并运用于对自动制图综合和GIS线状数据的简化的图形建模过程。
The purpose of the thesis is to utilize UML to improve GIS figure modeling and apply to figure modeling course with GIS linear data simplifying and automatic cartographic generalization.
以技术制图标准为依据，介绍了国标的统一和简化的意义。
Based on technical drawing standards, this paper describes the union and simplification meaning of national standards.
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