“grades of radiological accident”的概念、定义、翻译、参考文献-科学参考

单词	grades of radiological accident
释义	grades of radiological accident Encyclopedia 工学辐射事故分级释 grades of radiological accident辐射事故分级根据辐射事故的性质、严重程度、可控性和影响范围等因素，从重到轻将辐射事故分为特别重大辐射事故、重大辐射事故、较大辐射事故和一般辐射事故4个等级。
随便看	urban plant urban plaza public space design urban politics urban population urban population base of China urban population density urban population distribution in China urban population problems in China urban population projection urban population size in the administration area of city urban population structure urban postal system planning urban power distribution network urban power supply sources urban power supply system planning urban primacy urban problems in China urban protected areas urban public art urban public center system urban public economy urban public facilities urban public facilities design urban public space Urban Public Transportation in Canada

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