“express mail service”的概念、定义、翻译、参考文献-科学参考

单词	express mail service
释义	express mail service Encyclopedia 工学〔快递服务〕释 express mail service；EMS邮政特快专递邮政企业采取最快发运速度、专门处理手段及专人直接投递的邮件传递方式。
随便看	feasible descent direction feasible direction feasible direction cone feasible direction method feasible flow feasible method feasible path feasible perturbation feasible point feasible program feasible region feasible restriction feasible set feasible solution feasible vector feasibly solvability Feast Feast of Christ the King Feast of the Annunciation Feast of the Ascension Feast of the Assumption of Mary Feast of the Circumcision of Christ Feast of the Holy Family Feast of the Presentation of Jesus Christ Feast of the Presentation of Mary

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。