“Headwork of Zhengguo Canal”的概念、定义、翻译、参考文献-科学参考

单词	Headwork of Zhengguo Canal
释义	Headwork of Zhengguo Canal Encyclopedia 历史学其他遗址释 Headwork of Zhengguo Canal郑国渠首遗址中国战国时期韩国水工郑国于秦王政元年（公元前246）主持修建的引泾灌溉工程郑国渠的渠首工程遗址。
随便看	conical curve conical cylinder for limiting light beam conical drawing die conical equal-area projection conical equidistant projection conical flow conical frustum conical function conical helical line conical helix conical indenter conical intersection conical lens conical logarithmic spiral conically conically scanning antenna conical nebula conical net conical papillae conical point conical refraction conical rotor machine conical scan conical scanning earth sensor conical-scanning radar

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。