“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	cold storage cold storage of aquatic product cold stress cold stress in livestock cold stretching cold suction cold supergiant cold syncope Cold-Temperate Needleleaf Forest cold test cold therapy cold tongue in South China Sea cold transfer printing cold trap cold-tuned color-matching temperature filter cold-tuned filter cold universe cold upsetting cold vapor and non-dispersion atomic fluorescence spectrometry cold vapor atomic absorption spectrometry (CV-AAS) cold vegetation cold vent cold-wall paradox Cold War cold&warm color

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。