“闭系--封闭系统”概念、定义、翻译-科学时代

单词	闭系--封闭系统
释义	机械工程词汇手册 closed system 封闭系统，闭系
随便看	service apartment service area service area service area service auditor service award service band service-based economy service basin service basis of depreciation service benefit service-berry service-boat service book service brand service business service by public notification service by substitution service cabinet service capacity service capacity method of depreciation service capacity utilized service centre service centre service centre

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。

closed system