Geometry describes locations on a flat (i.e. Euclidean) plane, and can be used to determine information such as the shape and area of a polygon.
Geometry描述扁平(比如欧几里得)平面上的位置，并可用来判定诸如多边形形状和面积之类的信息。
Although the bounding box is a polygon defining the area represented for the user, I simplify and use one point of this data.
尽管这个边界框是一个用于定义表示用户的区域的多边形，但我简化并使用该数据的一个点。
Give a definition about area vector of a polygon on the plane and its formula, area formula of a polygon can be sought by it.
给出平面上多边形的面积矢量的定义及公式，并应用它求出多边形的面积公式。
Lastly, a new thought of using the connected area fill method to deal with the complex island polygon is also presented in the paper.
本文还提出用连通性区域填充的方法处理各种任意复杂岛的思想。
A profound approach about SCARA manipulators configuration space is made in this paper. The obstacle space of SCARA manipulator produced by convex polygon obstacle is proved to be a connected area.
对SCARA型操作臂的C空间作了深入研究，证明了凸多边形障碍物在SCARA型操作臂的C空间中形成一连通的障碍物子空间。
The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.
通道横截面为规则或不规则平面多边形，因而比表面积大、传质效率高。
The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.
通道横截面为规则或不规则平面多边形，因而比表面积大、传质效率高。
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