“ordinary letter”的概念、定义、翻译、参考文献-科学参考

单词	ordinary letter
释义	ordinary letter 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	Journey in Spring by Zhan Ziqian journey map Journey to a War Journey to Longmen Journey to Russia as an Envoy Journey to the East of the Eight Immortals Journey to the Edge of the Universe Journey to the South Journey to the West Journey to the West in Cartoons Journl of the National Academy of Art Jovian atmosphere Jovian burst Jovian exoplanet Jovian family Jovian ionosphere Jovian magnetosphere Jovian planet Jovian plasmasphere Jovian radiation belt Jovian radio burst Jovian radio radiation Jovian ring Jovian ringlet Jovian satellite

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。