“古代北京城水利”的概念、定义、翻译、参考文献-科学参考

单词	古代北京城水利
释义	古代北京城水利 Encyclopedia 工学〔中国古代城市水利〕释 water conservancy of ancient Beijing city古代北京城水利北京位于永定河与潮白河洪积冲积扇脊部，这两条河都距城区较远流过，引用存在许多困难。北京降水量年内分布很不均匀，总径流量偏少，自古就是缺水地区。开发利用永定河与潮白河水资源并防止其洪水灾害，是古代北京城水利的重点。
随便看	Annual Meeting of Master Planning Division of Urban Planning Society of China Annual Meeting of Mountainous Area Planning Division of Urban Planning Society of China Annual Meeting of Rural Planning and Construction Division of Urban Planning Society of China Annual Meeting of Safety and Hazard Prevention Planning Division of Urban Planning Society of China Annual Meeting of Small Town Planning Division of Urban Planning Society of China Annual Meeting of Territorial Planning and Urban Economy Division of Urban Planning Society of China Annual Meeting of the International Society for Knowledge Organization Annual Meeting of Urban Design Division of Urban Planning Society of China Annual Meeting of Urban Regeneration Division of Urban Planning Society of China Annual Meeting of Youth Working Committee of Urban Planning Society of China annual motion Annual National Conference of Chinese Archivists Annual National Planning Conference Annual of Chinese Music annual operational cost of hydropower station annual parallax annual period Annual Planning Information Conference of China annual plant annual precession annual proper motion annual rabbitsfoot grass annual rate of surplus value annual register annual regulating pumped storage power station

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。