“directed quantity”概念、定义、翻译-科学时代

单词	directed quantity
释义	数学词汇手册 directed quantity 有向量
随便看	systemic risk systemics systemic thinking systemic toxicity systemic value system identification system identification system identification system impedance ratio system in psychology system input unit system instance system integration system integration system integration system integration system integration system integration test system integrity system interface system interrupt system interrupt system interrupt mask system I*QB systemism

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。