“navigation management in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	navigation management in ancient China
释义	navigation management in ancient China Encyclopedia 理学古代航运管理释 navigation management in ancient China古代航运管理中国古代关于运河工程、航道、航政管理的制度措施。
随便看	semiregular point semiregular polygon semiregular polyhedron semiregular polytope semiregular ring semiregular space semiregular tessellation semiregular topology semi regular torus semi-regular torus semiregular torus semiregular transformation semi-regular variable semi-regular variable star semi-relative semiremote semi-representable function semi-revolution semi-Riemannian space semirigid semirigid cables semiring semiring of sets semi-rotary hydraulic motor semi-sample

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。