名词短语中文翻译1
中文翻译：Unknown
同义词：
['emission spectrometer', 'emission spectrophotometer', 'emission spectrograph']
例句：
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1. The emission spectrum of the sun is used to study its chemical composition.
太阳的发射光谱被用来研究其化学成分。
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2. The emission spectrum of the moon's surface has been studied to understand its geological history.
对月球表面发射光谱的研究，帮助我们理解其地质历史。
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3.The emission spectrum of a particular element can provide valuable information about its abundance in the earth's crust.
特定元素的发射光谱可以提供关于其在地球地壳中丰度的重要信息。