“back substitution”概念、定义、翻译-科学时代

单词	back substitution
释义	机械工程词汇手册 back substitution 回代
随便看	reader's classified catalogue reader's consultant Reader's Digest reader service reader service department reader service statistics reader's experience readers' forum reader's forum reader's forum reader's guide to periodical literature Readers' Guide to Periodical Literature readership readership readership readership readership readership readership readership level readership score readership survey reader's mark readers per copy readers per copy

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

back substitution