According to mechanism of orthographic projection, this paper has set up the converted relation between screen coordinate and space coordinate.
根据正投影的机理，建立了点线面屏幕坐标与空间关系的转换关系。
The coordinate transformation method is used in this paper to convert bending problems of orthographic concrete plate to isotropic.
利用坐标变换将钢筋混凝土板的弯曲问题变换为各向同性板弯曲问题。
The coordinate transformation method is used in this paper to convert bending problems of orthographic concrete plate to isotropic.
利用坐标变换将钢筋混凝土板的弯曲问题变换为各向同性板弯曲问题。
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