... Basicy point price system 基点定价制度 basic point pricing system 基点产地价格制 fixed point representation system 定点表示系统 ...
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一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
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