名词
中文翻译：氢光谱
同义词：
['hydrogen line spectrum', 'hydrogen absorption spectrum']
例句：
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1.The hydrogen spectrum of the sun is used to study its composition.
太阳的氢光谱被用来研究其组成。
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2. The researcher observed the hydrogen spectrum of the sample.
研究者观察了样本的氢光谱。
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3.The hydrogen spectrum reveals the presence of helium in the sample.
氢光谱揭示了样本中存在氦气。