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运用图例介绍了新国标尺寸简化注法的基本要求 ,对新、旧国标在简化表示法有差异的方面进行了对比和分析 ,指出某些简化表示法应用中要注意的问题以及如何正确使用简化表示法
The paper introduces the basic requirements of the new national standard size simplified notation, and compares and analyzes the difference between the new and old national standard in the simplified notation. It points out some problems to be noticed in the application of some simplified notations and how to use the simplified Notation