例句與造句

1. In this paper , we discuss the estimate of regression function in nonparametric regression model based on exponential integral martingale difference
   摘要本文研究了誤差項(xiàng)是鞅差序列，且滿足某種指數(shù)矩條件的非參數(shù)回歸函數(shù)的估計(jì)。
2. It's difficult to find exponential integral in a sentence. 用exponential integral造句挺難的