“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	spectral duplicity spectral element spectral element method spectral emissivity spectral emissivity measurement spectral energy distribution spectral estimate spectral estimator spectral expansion of correlation function spectral expansion of stationary process spectral factorization spectral family spectral fatigue analysis approach for floating deepwater platform spectral fatigue analysis approach for tubular joint spectral feature parameterization spectral filter spectral fingerprint spectral flow spectral flux density spectral folding spectral formula spectral function spectral functions spectral functor spectral gap

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。