针对多媒体教学在工程制图教学方面的应用，提出了多媒体制图教学的基本思路和实施方法，探讨工程图学多媒体教学模式的教学实践。
In this file, the basic thought and method of the multimedia teaching in the application of engineering-oriented cartography is point out and the pattern of its teaching practice is discussed.
《工程图学》课程传统教学模式已无法适应时代的要求。
The traditional teaching pattern of "Engineering Graphics" can not meet the needs of The Times.
针对环形或链式工程图提出了基于模式分解和符号匹配的特征识别方法。
A feature recognition method for annular or catenary graph was proposed, which is based on decomposition of model and matching of symbol.
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