“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	cosmical physics cosmic and supernova neutrinos Cosmic Anisotropy Telescope cosmic background Cosmic Background Explorer cosmic background explorer Cosmic Background Explorer satellite Cosmic Background Imager cosmic background radiation cosmic background radiation, CMBR cosmic brightness cosmic catastrophe cosmic censorship cosmic censorship conjecture cosmic censorship hypothesis cosmic chemistry cosmic cloud cosmic constant cosmic critical density cosmic dark ages cosmic deceleration cosmic density field cosmic density parameter cosmic diffuse infrared background cosmic distance

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