例句與造句

1. the stability of periodic orbits of self-maps on a closed, bounded interval was proven by l . block in 1981
   block于1981年證明了區(qū)間映射的周期軌具有穩(wěn)定性。
2. there are three sections in this paper . the first section : we consider the initial boundary value problem on half line and bounded interval, with kato's method for abstract quasi-linear evolution equations and a prior estimates of . solution, we get the existence of global smooth solution and the blow-up of solution in finite time under some conditions
   第一部分：考慮了camassa?holm方程在半無界和有界區(qū)域上的初邊值問題，用kato關(guān)于擬線性演化方程的初值問題的理論及先驗估計的方法，證明了整體解的存在性，及在一定條件下，解在有限時間內(nèi)的blow?up。
3. It's difficult to find bounded intervals in a sentence. 用bounded intervals造句挺難的