“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	time-temperaturetransformation diagram time-temperature transformation diagram,3T diagram time tick time to amplitude convertor time to digital converter time-to-failure measure time to first fix time-to-go time to live time to peak concentration time transfer time transfer GNSS receiver time transformation time translation time translation invariance time translation operator time trend time-triggered ethernet time-triggered mechanism time-unvaried channel time value of money time variable time variance time variant circuit time variant data

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。