“secondary hardening”的概念、定义、翻译、参考文献-科学参考

单词	secondary hardening
释义	secondary hardening Encyclopedia 工学回火释 secondary hardening二次硬化添加碳化物形成元素的马氏体钢淬火后，在400℃以上进行回火时，硬度升高或降低缓慢的现象。
随便看	language revitalization language rights language safety language sampling language school language selection rules language sense language services language shift Language Situation in China languages of Gaoshan nationality languages of the world language spread language standardization language status planning language strategy language substitution language substratum language supertratum language system/institution language taboo Language Teaching Language Teaching and Linguistic Studies Language Teaching Research Language Testing

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。