本文以实测结果，介绍了光谱带宽变化对光谱光度测量的影响。

This article by the actual result, introduced the changing of spectrum band width to the spectrum luminosity test affect.

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然而，通过光谱学测量，宇宙中氦的数量表明，宇宙中重子的数量要比基于星系光度所估计的要多得多。

However, the amount of helium in the universe, as measured by spectroscopy, suggests that there are far more baryons in the universe than estimates based on galactic luminosity indicate.

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文章介绍了用分光光度计、精密锁相器等制作的太阳电池光谱响应测量系统的方法及测量结果。

In this paper, we reported a measuring system of spectral response for silicon solar cell with lock-in amplifier and spectroscopic and show its testing result.

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