“平常信函”的概念、定义、翻译、参考文献-科学参考

单词	平常信函
释义	平常信函 Encyclopedia 工学信函释 ordinary letter平常信函信函的一种常见形式。邮政企业在收寄时不出具收据，处理时不登记，投递时不要求收件人签收，不接受用户查询。简称平信。
随便看	exceptional complex simple Lie algebras exceptional complex simple Lie groups exceptional curve exceptional direction exceptional divisor exceptional function exceptional group exceptional Jordan algebra exceptional leaf exceptional Lie algebra exceptional Lie group exceptional lithologic reservoir exceptional orbit exceptional point exceptional promotion of cadre exceptional selection exceptional set exceptional set of Goldbach numbers exceptional subvariety exceptional subvariety of the first kind exceptional surface exceptional value exceptional variety exception clauses in the international investment agreement exception dispatcher

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。