Through an example,a new method and its steps of common difference matrixing of linear dimension are introduced.
通过一个实例,介绍了线性尺寸公差换算的一种新方法及步骤。
Through an example,a new method and its steps of common difference matrixing of linear dimension are introduced.
通过一个实例,介绍了线性尺寸公差换算的一种新方法及步骤。
In the engineering survey in current electric power, several kinds of coordinate system and elevation in common use and their mutual matrixing relation are introduced.
本文介绍当前电力工程测量中常
的几种坐标系和高程系及
相互换算关系。
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