“下降算子”概念、定义、翻译-科学时代

单词	下降算子
释义	数学词汇手册下降算子 down-ladder operator；slip down operator
随便看	universal time universal time universal time universal time coordinated universal time coordinated Universal Time Coordinate (UTC) universal time（UT） universal tractor universal trade policy universal trade policy universal transport document Universal Transverse Mercator coordinate Universal Transverse Mercator projection Universal Transverse Mercator projection Universal Transverse Mercator projection（UTM） Universal Transverse Mercator projection （UTM） universal trawl universal tree domain universal truth universal Turing machine universal type universal umbel universal unfolding universal valid universal valid formula

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。