“directed set”概念、定义、翻译-科学时代

单词	directed set
释义	数学词汇手册 directed set 有向集
随便看	ground shading ground ship ground signal panel ground simulation test ground spare satellite ground specific impulse ground speed ground speed-drift angle indicator ground spice ground-start signalling ground state ground state ground state ground state ground state ground state ground-state assignment ground state beta disintegration ground state correlation ground state disintegration energy ground state isotope ground state level ground-state population ground-state relaxation ground state spin

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。