例句與造句

1. abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples . the accuracy of the approximate confidence interval is studied by the simalation method
   文摘:本文導(dǎo)出了壽命分布為對數(shù)正態(tài)分布時基于截尾樣本環(huán)境因子的點估計和近似置信限，對所給近似置信區(qū)間作了模擬研究。
2. abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples . the accuracy of the approximate confidence interval is studied by the simalation method
   文摘:本文導(dǎo)出了壽命分布為對數(shù)正態(tài)分布時基于截尾樣本環(huán)境因子的點估計和近似置信限，對所給近似置信區(qū)間作了模擬研究。
3. It's difficult to find approximate confidence interval in a sentence. 用approximate confidence interval造句挺難的