radio contamination 放射性物质污染
radio active gas contamination 放射性气体污染
contamination radio-chemical 放射化学污染
This paper makes a brief discussion on the harm upon human health by radio-frequency electromagnetic field and electromagnetic contamination problems of small power television emission antenna.
本文就射频电磁场对人体健康的危害以及小功率电视发射天线的电磁污染问题作了简要的论述。
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