“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	regular variation regular variety regular vertex coloring regular wave regular web regular wreath product regulated deficit irrigation regulated deficit irrigation of grassland regulated function regulated mapping regulated power supply regulated verse regulate intestinal flora regulate temperature and humidity of Archival storage regulating regulating action of acup-moxibustion regulating and harmonizing chong channel and ren channel regulating and harmonizing nutrient energy and defensive energy regulating and harmonizing qi and blood regulating breath regulating flow of qi regulating slide valve regulating structure regulating the Yellow River by Wang Jing regulating valve

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。