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首页 - 英汉词典 - B字开头的单词或词组 - background equivalent activity (BEA)

英语解释

background equivalent activity (BEA)

汉语翻译

【化】天然本底放射性当量强度

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background noise level background investigation background heating background check X-ray background radiation windows in background window background sonar background noise radioactive background noise background hands-on background foreground-initiated background job

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