“ratchet effect”概念、定义、翻译-科学时代

单词	ratchet effect
释义	社会学词汇手册 ratchet effect 棘轮效应
随便看	classification appeal classification arrangement classification card classification category classification certificate classification certificate classification chart classification clause classification clause classification criterion classification criterion classification grade classification image classification indexing classification information classificationist classification key classification language classification manual classification map classification matrix classification merchandising classification method classification method classification method

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。