“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	infrared polarizer infrared pre-drying infrared prism infrared quenching infrared radiating coating infrared radiation infrared radiation characteristics infra-red radiation characteristics metrological technique infrared radiation from a planetary debris disks infrared radiation heating and drying infrared radiation measuring instrument infrared radiation of AGN infrared radiation of galaxies infrared radiation of H II region infrared radiation of interstellar dust infrared radiation of interstellar medium infrared radiation of planets in the solar system infrared radiation of protostars infrared radiation source infrared radiometer infrared radiometric calibration field infrared radiometry infrared ray infrared reflection-absorption spectroscopy infrared reflection-absorption spectroscopy, IRAS

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。