投影特性 meaning in Chinese

characteristic of projection

Abstract : the paper narrates the essential basic learning of thinking of viewing drawings and the techniques of projection of point , line and plane , introduces the basic ways of thinking and the steps of viewing drawing , and makes a summing up and an analysis on the basic law of thinking of viewing drawings
文摘:叙述了看图思维必备的基础知识和记忆点线面投影特性的技巧，介绍了看图思维的基本方法及看图步骤，对看图思维的基本规律进行了归纳和分析