目前，正在进行现代人走路方式的特征记录，具体做法是在所征集的参与实验人员腿上安置可反射的标志，然后拍摄这些参与者在室内沙地上走路的实况。

Currently, the researches are documenting how people walk by placing reflective markers along the legs of their participants and then filming the volunteers walk in an indoor sandbox.

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这似乎可以很好地反映造成误报的反射率范围，因此下面介绍的程序将任何反射率高于该范围的情形视为可跟踪的降水事件。

This seems to correspond well to the reflectivity range of the false positives, so the program described below will consider anything of higher reflectivity to be a trackable precipitation event.

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人类可见的物质只占到整个宇宙总物质的17%，剩下的83%是所谓“暗的”，意味着它们不会释出或反射可测光。

The matter we can see makes up just 17% of matter in the Universe; the remaining 83% is "dark", meaning it does not reflect or emit detectable light.

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