In each patch, one can use a different set of three coordinates to specify the position of a point.

在每个补丁中，可以使用一组不同的三个坐标来指定点的位置。

It is often helpful to think of the four coordinates of an event as specifying its position in a four-dimensional space called space-time.

将事件的四个坐标视为指定其在称为时空的四维空间中的位置通常很有帮助。

One would not specify the position of the moon in terms of miles north and miles west of Piccadilly Circus and feet above sea level.

人们不会根据皮卡迪利广场以北英里和以西英里以及海平面以上的英尺来指定月球的位置。