“environmental quality standards for surface water”的概念、定义、翻译、参考文献-科学参考

单词	environmental quality standards for surface water
释义	environmental quality standards for surface water Encyclopedia 农学地表水环境质量标准释 environmental quality standards for surface water地表水环境质量标准中国为贯彻《中华人民共和国环境保护法》和《中华人民共和国水污染防治法》，防治水污染，保护地表水水质，保障人体健康，维护良好的生态系统而制定的一个国家标准。是中国环境保护标准体系的一个组成部分。
随便看	sigma algebra of events sigma-algebra of events sigma-algebra of sets sigma algebra prior to tau sigma-algebra prior to tau sigma-algebra prior to τ sigma aromaticity sigma bond sigma bond metathesis sigma-compactness sigma-compact set sigma-compact space sigma-complete sigma-complete ideal sigma-complete lattice sigma-completeness sigma complete vector lattice sigma complex sigma discrete family sigma-discrete family sigma electron sigma field sigma-field sigma field of events sigma-field of events

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。