“开集”概念、定义、翻译-科学时代

单词	开集
释义	力学词汇手册开集 open set
随便看	purchase budget purchase commitment purchase confirmation purchase confirmation purchase consideration purchase contract purchase contract purchase contract purchase contract purchase contract purchase cost purchase cost purchase cut-off purchase cycle purchase day book purchase decision purchase decision factor purchase discount purchase discount purchase discount purchase-exchange purchase expense purchase expenses purchase in lots purchase intention

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。