“半群”的概念、定义、翻译、参考文献-科学参考

单词	半群
释义	半群 Physics 热学、统计物理学统计物理学 semigroup半群 semigroup半群^† Mathematics ＞代数学＞群论＞释义 semigroup半群 demigroup半群 half-group半群 hemi-group半群 semigroup半群^†
随便看	urban labor market urban land rent theory urban landscape in ancient China urban landscape of scenic regions urban landscaping systematic mangement urban land system in China urban land use urban land-use urban land use arrangement urban land use planning urban language urban legend urban lifestyle urban livability urban logistics urban logistic system Urban Management And Law Enforcement urban master plan period Urban medical and health service system urban metabolism urban meteorological disaster urban meteorology urban migrant urban military geography urban mine

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。