避免环境危害，减少对氡、石棉和大气污染的接触。
Avoid environmental hazards such as radon, asbestos and air pollution.
土壤氡析出率的影响因素很多，其中大气压力是较为重要的影响因素之一。
As the soil radon exhalation have an important impact on the indoor radon concentration, the research of soil radon exhalation is caused by a new hotspot.
土壤氡析出率的影响因素很多，其中大气压力是较为重要的影响因素之一。
As the soil radon exhalation have an important impact on the indoor radon concentration, the research of soil radon exhalation is caused by a new hotspot.
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