“二级水功能区”的概念、定义、翻译、参考文献-科学参考

单词	二级水功能区
释义	二级水功能区 Encyclopedia 工学二级水功能区释 the second grade water function zone二级水功能区为了协调不同用水行业间的关系，在一级水功能区的开发利用区中划定范围并执行相应保护和管理要求的水域。
随便看	steel bar processing machinery and prestressed machinery steel-bars truss deck steel bar truss molding machine steel beam steel beam for emergency repair of railway steel-belt sorter steel bonded cemented carbide steel braced frame steel braced frame structure system steel bridge steel bridge erection steel bridge fabrication steel building structure steel butt welding machine steel cable steel cage forming machine steel catenary riser steel catenary riser ，SCR steel column steel-concrete composite beam steel-concrete composite structure steel-concrete composite track beam steel connections in timber structures steel content steel cord for radial tyre

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。