“mathematical expectation”的概念、定义、翻译、参考文献-科学参考

单词	mathematical expectation
释义	mathematical expectation Mathematics ＞概率论＞随机变量＞释义 mathematical expectation数学期望 mathematical expectation数学期望^† Astronomy mathematical expectation数学期望
随便看	gravity wave gravity waves gravothermal catastrophe gravure cylinder gravure plate making Gravure Printing Press gravure trolley Gray gray gray analysis grayanotoxin gray black coating gray body graybody gray box model gray cast iron gray cell Gray code gray component replacement Gray configuration gray cotton gray field speedwell Gray graph gray group gray (Gy)

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。