“port entry and exit visas”的概念、定义、翻译、参考文献-科学参考

单词	port entry and exit visas
释义	port entry and exit visas 进出港签证
随便看	singular plane singular point singular point of a function singular point of a surface singular predicate singular process singular proposition singular quadric singular quadric hypersurface singular series singular set singular solution singular-solution ideal singular spectrum singular state singular stiffness matrix singular submodule singular subspace singular support singular surface singular tangent singular transformation singular value singular value decomposition of image matrix singular value decomposition SVD

科学参考收录了1248194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。