正四边形是由四条完全相同的边和四个完全相同的角组成的平面图形。很多人误以为是四条边长度相同就是了。正四边形是特殊的长方形,平行四边形,梯形,矩形,菱形。正四边形的每个内角是90°,每个外角也是90°。
型材的形状为几何 图形,如正六边形、正四边形。
The shape of the shaped sections is a geometric figure, for example, a hexagon and a square.
其次,对现有的场景分块策略作了详细的研究,现有的场景分块策略是建立在规整的正四边形基础之上的。
Secondly, we research the partition strategy to the existing scene in detail which is based on the regular quadrangle.
该文利用平面正四边形阵列对直升机目标进行定位,讨论了定位系统的原理及其算法,并对定位精度进行了分析。
This paper USES a square array to locate a target of helicopter and deals with location theory and its algorithm, as well as analyzing location accuracy.
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