“nitrate nitrogen in water”的概念、定义、翻译、参考文献-科学参考

单词	nitrate nitrogen in water
释义	nitrate nitrogen in water Encyclopedia 工学废水水质指标释 nitrate nitrogen in water水中硝酸盐氮水体中以硝酸盐形式存在的氮元素。硝酸盐氮是含氮有机物经无机化作用最终的分解产物，水中的硝酸盐也可直接来自地层。
随便看	characteristic differentiation characteristic direction characteristic dyadic characteristic (eigen) value of a matrix characteristic element characteristic energy loss spectrum characteristic envelope characteristic equation characteristic expansion characteristic exponent characteristic extremum characteristic factor characteristic field characteristic form characteristic formula characteristic frequency characteristic function characteristic functional characteristic function of a distribution characteristic function of a meromorphic function characteristic function of a set characteristic functions characteristic group characteristic homology class characteristic hyperplane

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