这个区域的面积是所有小区域面积的总和。
The area of this region is the sum of the areas of all the little pieces.
冲砂区域尽量避免大面积打磨, 若打磨面积所占比例过高,必须重新冲砂;
Large acreage grinding should be avoided at blasting area, otherwise, re-blasting is necessary.
本文在详细分析了现有区域面积计算法的基础上,提出了一种应用于图纸上不规则区域的面积计算方法。
In this paper, Based on a detailed analysis of existing regional space law it give a drawing applied to the irregular method of calculating the size of the region.
And the work in this case is the area inside here.
现在的功是这个区域内部的面积。
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