“World Cities Day”的概念、定义、翻译、参考文献-科学参考

单词	World Cities Day
释义	World Cities Day Encyclopedia 工学﹝重要会议﹞释 World Cities Day世界城市日中国政府在联合国推动下设立的主题国际日。
随便看	matrix solution matrix spectrum matrix splitting matrix splitting preconditioner matrix splitting preconditioning matrix splitting preconditioning (preconditioner) matrix square root matrix structural analysis matrix summation method matrix-supported fabric matrix sustained/controlled release preparations matrix symbol of an operator matrix theorem matrix theory matrix trace matrix transformation matrix transpose matrix tree theorem matrix unit matrix-valued matrix-valued form matrix-valued function matrix variate matrix-variate distribution matrix Viète theorem

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。