提出结构拓朴和几何的一般规律及其抽象的方法，引入整型名义坐标系，并在该坐标系下，利 用指示矩阵对抽象结构进行描述。

In the paper, the authors present the common law of structural topology and geometry and the method of abstract, and give the integer nominal coordinate system.

youdao

提出结构拓朴和几何的一般规律及其抽象的方法，引入整型名义坐标系，并在该坐标系下，利 用指示矩阵对抽象结构进行描述。

In the paper, the authors present the common law of structural topology and geometry and the method of abstract, and give the integer nominal coordinate system.

youdao