“national environmental standards”的概念、定义、翻译、参考文献-科学参考

单词	national environmental standards
释义	national environmental standards Encyclopedia 工学国家环境标准释 national environmental standards国家环境标准由国家环境保护行政主管部门与质量技术监督部门单独或者联合组织制定的环境保护领域相关法规性技术准则。
随便看	levelling instrument levelling-up level man car level manifold level matching conditions level measurement of flotation machines level measuring device level measuring instrument level meter level monitoring device for drilling fluid circulating pool levelness level n-structure level of abstraction level of a factor level of a field level of a function level of aircraft flying qualities level of a modular curve level of an orthogonal array level of a subgroup level of a test level of a tolerance region level of complexity level of description level of detail

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。