However, the scattered light is extremely weak and therefore yields a very low signal.

然而，这种散射光极其微弱，因此只产生一个非常弱的信号。

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The energy of the scattered light is abstracted from the original beam .

散射光的能量取自原来的光束。

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The energy of the scattered light is abstracted from the original beam .

散射光的能量取自原来的光束。

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