英语词汇background level怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	background level
释义	background level 美/ ?b?kɡra?nd ?levl / 简明释义背景水平：指在某一特定环境或领域中的基准水平或常态水平。网络释义 1 ?背景值背景值短语 1 Background Levels of Influencing Forces 影响力背景水平 2 Background Sound Levels 噪音标准双语例句 1 Dashed curves are for background levels. 虚线曲线表示背景水平。 2 Radiation doses to humans may be characterized as low-level if they are comparable to natural background levels. 对人类的放射剂量如果与自然环境辐射水平相比属低水平。 3 It is believed that such a level is of no significance to human health having regard to natural background levels. 令人信服的是，考虑到自然本底值，这样小的放射水平对人体健康是无关紧要的。
随便看	acidbase acid-basebalance acidbase balance acid base balance acid-base balance acid - base balance acid base balance acid-base buffer system acid base buffer system acid base bvalance acid-base bvalance acid-base calculator acid base catalysator acid-base catalysis acid base catalysis acidbase catalysis acid base catalyst acidbase catalyst acid-base catalyst acid-base catalyzed reaction acid base catalyzed reaction acid-based acid-base determination acid base determination of petroleum products acid-base determination of petroleum products

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