isometric circle

• 等距圆

isometric circle的用法和样例：

例句

1. The locus of points equidistant from a given point is a circle.
   与一个定点等距的点的轨迹是一个圆。
2. The outlining curve of an isometric polygon is one of the un-rounded curves, it is difficult to measure its parameters and calculate the errors.
   摘要等距型面轮廓曲线为非圆曲线的一种，对其参数的测量和误差的计算比较困难，目前尚没有统一的评价标准。