当这些化学元素不被吸收的时候，我们的皮肤就会变得好一些。

Our skin does much better when chemicals are not involved.

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最后将不被吸收的模式数与光纤总传播模式数作比较，得出渐变折射率DCF的吸收效率。

According to the number of non-absorbable modes and the number of all the propagating modes, we have obtained the absorption efficiency of graded-index DCF.

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第一，确保更多的太阳光在装置上并被吸收，而不被发射。

The first is to make sure that most of the sunlight which falls on it is absorbed, rather than being reflected.

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