“upper semi-continuous mapping”概念、定义、翻译-科学时代

单词	upper semi-continuous mapping
释义	数学词汇手册 upper semi-continuous mapping 上半连续映射
随便看	hysterorrhexis hysterosalpingectomy hysterosalpingography hysterosalpingo-oophorectomy hysterosalpingostomy hysteroscope hysterospasm hysterotomy hysterotrachelorrhaphy hysterotrachelotomy hysterotubography hystrella hystrix Hystron hyther hythergraph hythergraph HyTime (Hypermedia Time-based Structuring Language) Hytor Hyvac pump Hz Hz Hz Hz Hz (hertz)

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。