Present an algorithm based on mesh processing to merge multi-sensor data. Use distance method and cube method to realize point data reduction.

提出了一种基于网格处理的算法实现多传感器数据统一，并使用了间距和立方体两种点数据精简算法。

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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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You can use it to describe or to ask questions about distance, about a length of something.

你可以用它来询问路程或者东西的长度。

How long课堂 - SpeakingMax英语口语达人

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