在这种情况下，镜头需要有能力尽可能多的收集光源的信号(更大的光通量)，从而可以得到一个更高的分辨率。

In this case, the ability of a lens to collect as completely as possible the light signals from the sources and therefore give a higher resolution is readily pursued.

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光通量减弱使乙醛和甲苯的降解率均下降。

Decreasing light intensity, the degradation of acetaldehyde and toluene both decreased.

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目的测定不同波长激光通过不同介质的透射率与吸收率。

ObjectiveTo determine the transmission and absorption of lasers at different wavelength in several media.

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