So, in a way, you can think of these as a space analog of polar coordinates because you just use distance to the origin, and then you have to use angles to determine in which direction you're going.

也可以把这种坐标，看成是空间中的极坐标，它其实使用了，距离原点的距离，然后用角度这种标尺，来确定了方向。

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We also control where the graph appears by setting the origin using screen coordinates (see help coordinates for a discussion on the different kinds of coordinate systems).

我们还通过使用屏幕坐标（请参阅 help coordinates ，获得关于不同类型坐标系统的讨论）设置原点来控制曲线图显示的位置。

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The origin for these coordinates is the location of the parent object.

这些坐标点的原点是父对象的位置。

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