“environmental background value”的概念、定义、翻译、参考文献-科学参考

单词	environmental background value
释义	environmental background value Encyclopedia 工学环境质量释 environmental background value环境背景值在不受外来污染影响的情况下，环境中的水、土壤、大气、生物等要素中化学元素的含量。又称环境本底值。 Chemistry ＞环境化学＞其他相关概念＞释义 environmental background value环境背景值＞环境化学＞其他相关概念＞释义 environmental background value环境本底值
随便看	output output alphabet output block feedback output characteristic output control output data output degree of a graph output device output devices output equation output feedback output flow output for land use output function output hypothesis output impedance output Independence assumption output indicators of agricultural science and technology output metering technology based on dynamometer card output of aquatic products output of Chinese character output of hydroelectric power station output of mine output quantity output rate

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