“活动中心”概念、定义、翻译-科学时代

单词	活动中心
释义	教育学词汇手册活动中心 activity centre
随便看	library stamp library statistics library study library supply library survey library system library system analysis library tax library test library theft detection system library training library transformation Library Tribune library trustees library user library user education library user statistics library user study library van libration libration libration libration libration damping libration deviation

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。