“σ域”概念、定义、翻译-科学时代

单词	σ域
释义	数学词汇手册 σ域 σ-field；sigma-field
随便看	transit depot transit depot transit document transit dues transit dues transit duty transit duty transit duty transit entry transit expense transit flow transit-fueling transit godown transit godown transit goods transit goods transit goods transit hall transit improvement trade transit improvement trade transit instrument transit inventory transit inventory transition transition

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。