名词
中文翻译：离子柱
同义词：
['ion beam', 'ionbeam column', 'ion source', 'ion source column']
例句：
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1. The ion beam was used toanalyze the sample.
离子束被用来分析样品。
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2.The ion source is responsible for generatingthe ion beam.
离子源负责产生离子束。
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3. The ion source column is crucialfor the operation of the mass spectrometer.
离子源柱对于质谱仪的运行至关重要。