名词
中文翻译：封闭电离室
同义词：
['closed ion source', 'closed ionization cell']
例句：
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1. The closedionization chamber is used to measure the concentration of pollutants in the air.
封闭电离室用于测量空气中污染物的浓度。
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2. The closed ionization chamber was designed to improve the accuracy of the measurement.
封闭电离室的设计旨在提高测量的准确性。
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3.The closed ionization chamber is essential for the analysis of complex chemical samples.
封闭电离室对于分析复杂化学样品至关重要。