英语词汇background equivalent activity (BEA)是什么意思，background equivalent activity (BEA)的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	background equivalent activity (BEA)
释义	background equivalent activity (BEA)　【化】天然本底放射性当量强度
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