“history of navigation engineering technology in the world”的概念、定义、翻译、参考文献-科学参考

单词	history of navigation engineering technology in the world
释义	history of navigation engineering technology in the world Encyclopedia 理学世界运河工程技术史释 history of navigation engineering technology in the world世界运河工程技术史人类为方便交通而修建的运河和建设水运网络的历程及其工程技术。
随便看	nullity of a link nullity of a manifold nullity of a matrix nullity of an operator nullity of a space nullity of a transformation null line null matrix null method null model null morphism null mutation null object null object of a category null-pair null path null plane null point null polarity null polynomial null-property null ray null-recurrent null-recurrent point null recurrent state

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。