相關(guān)單詞近義詞 expected value 期望值, arithmetic mean 算術(shù)平均值, expectation 預(yù)料臨近詞firsthand, first, first degree antegrade A-V block, First horse race betting conductor, first installment of goods ordered, first-class education university, first construction control network, First division of trigeminal nerve, first day of last menstrual period, First Response Ovulation Predictor, First Ferry Customer Service Centre, first refusal random access channel 返回 first moment