... 平面流水作业计划 operative planning for plane; stream-lined process; 平面面积 area of plane; 平面磨床 {工} surface-grinding machine;flat grinder; ...
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由画法几何原理可知平面面积等于其正投影面积乘以该平面与投影面夹角的余弦。
According to principle of descriptive geometry, the area of plane equals projection of the plane divided by cosine between plane and projection of plane.
设计理念起初是由严格的规章制度限制的，包括高度，平面面积，这些限制因素一方面也形成了建筑的最终形态。
The concept design was initially dictated by strict local building regulations, height and footprint plot limit which partially led to the building form.
设计方案中对已有的数字高程模型进行加密内插，使用三角化方法来计算地表曲面面积，采用参考平面法实现区域通视分析。
Then triangulation is used for the calculation of a polygon's surface area, and viewshed analysis is carried out using the method of reference plane.
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