What you may not realize is that the light from these devices alone could also suppress your melatonin levels by as much as 20 percent, which is a more direct threat to your sleep.

你可能没有意识到的是，这些设备发出的光本身也可能使你的褪黑素水平至多减少20%，这对你的睡眠是一个更为直接的威胁。

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This kind of phenomenon can give people noble feeling, otherwise through the dispersiveness can turn the white light into colored band of light, which may realize the non - pigment coloration.

这种现象给人以高贵的感觉，另外通过色散可将白光变成彩色光带，可实现非色素显色。

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The whole device which is of small size and light weight can realize portable measurement.

整个装置体积小、质量轻，可实现便携式测量。

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