“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	American Anti-Imperialist League American Anti-Slavery Society American Art Education American Association for Applied Linguistics American Association for Laboratory Animal Science American Association for the Advancement of Science American Association of Applied Linguistics American Association of Community Theatre American Association of Law Libraries American Association of Petroleum Geologists（AAPG） American Association of School Librarians American Association of Scientific Workers American Association of Textile Chemists and Colorists, AATCC American Association of Variable Star Observers American Association of Veterinary Clinicians American Association on Intellectual and Developmental Disabilities American Association on Mental Deficiency American Association on Mental Retardation American Astronomical Society American Ballet Theatre American Baptist Churches American Beauty American black bear American Black District in Liberia American Board of Commissioners for Foreign Missions Press

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。