“分类”概念、定义、翻译-科学时代

单词	分类
释义	请查阅分类--系统--分类（法）
随便看	back pay back pay back payment back payment back pillow backplan backplane back planing backplate backplate back pleated skirt back pollination back pork back pork back pressure back pressure back pressure back pressure back pressure extraction turbine back pressure of steam trap back pressure steam turbine back pressure test back pressure turbine back-pressure turbine back pressure valve

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。