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).

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。

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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).

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。

youdao