本文叙述了固体径迹探测器和火花计数器的基本结构及在氡监测上的应用。

The general structure of the SSNTDs and spark counters and their application in radon monitoring are described.

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采用压缩比与数字计数器的对应检索校正关系来评定检查火花点燃式发动机的机械状况。

Calibration relationship between compressure ratio and digital counter reading can be used to evaluate the spark-ignition engine.

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