名词
中文翻译：阴极计数管
同义词：
['neutron counter', 'nuclear counter', 'neutron counter tube']
例句：
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1. Thecold-cathode counting tube is used to detect the presence of radioactive materials in the environment.
阴极计数管用于检测环境中放射性物质的存在。
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2.In this experiment, the cold-cathode counting tube was used to measure the concentration of iodine in a sample.
在这个实验中，阴极计数管被用来测量样品中的碘浓度。
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3. The cold-cathode counting tube has become an essential tool for environmental monitoring.
阴极计数管已成为环境监测的必备工具。