如果从Scala的视角来看待这种回调模式，我们发现里面充斥的全都是某个“函数”的繁琐实现。

When looking at the callback pattern from a Scala perspective what we actually see is a cumbersome implementation of a 'function'.

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该方法所带来的误差是大气模式、遥感器视角和通道的函数。

The relative error from this method is dependent on the atmospheric model, the scanning angle and channel.

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