例句與造句

1. Positive solution of singular initial value problem of a second order equation
   一個二階奇異初值問題的正解
2. Existence of positive solutions of second order singular initial value problem of impulsive differential equations in bananch space
   空間二階奇異脈沖微分方程初值問題正解的存在性
3. It's difficult to find singular initial value problem in a sentence. 用singular initial value problem造句挺難的