“直观显像管”的概念、定义、翻译、参考文献-科学参考

单词	直观显像管
释义	直观显像管 direct-viewing tube direct-view kinescope
随便看	expected return of a portfolio expected revenue expected risk expected service life expected service time expected time expected total reward expected utility expected utility hypothesis expected value expected value criterion expected value of a probability distribution expected value of imperfect information expected value of sample information expected yield expecting simple variable expecting varialbe expectorant expectoration expectorative cytology expedience expedient measure expedited data unit expedited flow expedited message handling (EMH)

科学参考收录了1248194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。