“中国历史时期运河”的概念、定义、翻译、参考文献-科学参考

单词	中国历史时期运河
释义	中国历史时期运河 Encyclopedia 理学中国历史上的运河释 Chinese historical Canals中国历史时期运河中国历史时期人工开凿的通航水道，至晚于春秋战国时期已经开始修凿运河，后世兴修的京杭大运河，迄今仍是世界上最长的运河。
随便看	law of commutation law of commutativity law of complementation law of composition law of compound transposition law of conservation and transformation of energy law of conservation of angular momentum law of conservation of charge law of conservation of energy law of conservation of mass law of conservation of matter law of conservation of mechanical energy law of conservation of moment of momentum law of conservation of momentum law of constancy of interfacial angles law of consular relations law of contiguity law of contradiction law of contraposition law of cooling law of corresponding state law of corresponding states law of cosines law of criminal saturation law of currency circulation

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。