“water quality grade”的概念、定义、翻译、参考文献-科学参考

单词	water quality grade
释义	water quality grade Encyclopedia 工学水环境质量释 water quality grade水质等级依据不同水域环境的功能和保护目标，按照功能高低依次划分的等级。又称水质级别。
随便看	one-dimensional shift one-dimensional simplex one-dimensional space one dimensional structure one-dimensional structure one-dimensional subspace one-dimensional synthesis one-dimensional system one dimensional time dependent cloud model one dimension semiconductor one-dimension semiconductor One-Dime Series one-D NMR logging One Dragon one electron approximation one-electron approximation one electron bond one electron model one-electron model one-element class one-element group one-element set one-equation eddy viscosity models one-factor analysis of variance one factor experiment

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