“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	bounded complete statistic bounded complete sufficient statistic bounded complex bounded convergence bounded convergence theorem bounded convergence topology bounded curvature bounded degree bounded depth first search bounded derivative bounded derived category bounded distance decoding bounded distortion bounded domain bounded downwards bounded element bounded error probabilistic polynomial time class BPP bounded error quantum polynomial time bounded error quantum polynomial time class BQP bounded estimator method bounded existential quantifier bounded field bounded figure bounded filtration bounded formula

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