汉英词典
Chinese-English Dictionary
MEANING OF 放射线
放射线 (放射線)
radiation / rays of radiation
某些元素(如镭、铀等)的不稳定原子核衰变时放射出来的有穿透性的粒子束。分为甲种射线、乙种射线和丙种射线,其中丙种射线贯穿力最强。
fàng shè 线 () xiàn
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