plane figure [数] 平面图形 ; 平面图 ; 平面布置图
a plane figure 平面图形 ; 平面图
closed plane figure [数] 闭平面图形 ; 闭合形
road plane figure 道路平面图
plane figure-designing 平面图形设计
construction plane figure 施工平面图
two-symmetry plane figure 双对称面干涉图
plane figure of principal factors 主因子平面图
geological engineering plane figure 工程地质平面图
A line segment forming part of the perimeter of a plane figure.
形成一个平面图形的边界的线段。
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The area of an irregular plane figure can readily be obtained with this method.
采用该方法可以很容易地求解不规则平面图形的面积。
A triangle is a plane figure with three sides.
三角形是有三个边的平面图形。
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