“history of city water conservancy in the world”的概念、定义、翻译、参考文献-科学参考

单词	history of city water conservancy in the world
释义	history of city water conservancy in the world Encyclopedia 工学世界城市水利史释 history of city water conservancy in the world世界城市水利史在城市发展中，人类为解决生活、生产用水，城市防洪、排涝等水利活动的历史。
随便看	polaron level polar operation polar operator polar orbit Polar Orbiting Geophysical Observatory polar orbit launch vehicle polar orbit meteorological satellite of China polar orbit satellite polaroscope polarotaxis polar ozone layer destroy cycle polar parabola polar path polar period polar plane polar planimeter polar plasma polar plot polar plume polar point polar polymer polar polytope polar process polar prominence polar quadric

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。