“数学期望”概念、定义、翻译-科学时代

单词	数学期望
释义	天文学词汇手册数学期望 mathematical expectation
随便看	supporting capacity supporting cast supporting cell supporting course supporting document supporting document supporting documentation supporting evidence supporting force supporting force supporting graphite sleeve supporting layer supporting paper supporting plate supporting ring supporting ring supporting role supporting role supporting schedule supporting sentence supporting services to land transport supporting services to water transport supporting structure supporting system for TT & supporting tone

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。