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1.The straight-collector ionization chamber is used to measure the concentration of pollutants in the air.
直收集器离子化室用于测量空气中污染物的浓度。
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2. The straight-collector ionization chamber was developed to improve the accuracy of air quality measurements.
直收集器离子化室被开发出来，以提高空气质量测量的准确性。
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3. The straight-collector ionization chamber has been widely used in environmental monitoring and research.
直收集器离子化室在环境监测和研究中得到了广泛应用。