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Using the fixed point principle and the theory of differential inequality, we prove the existence of the solution and an uniformly valid asymptotic expansions of the solution is given as well.

利用不动点原理及微分不等式理论,我们证明了边值问题解的存在性,并给出了解的一致有效渐近展开式。

This paper consists of three parts: Firstly, we discuss a nonautonomous -species two-patches cooperative Lotka-Volterra diffusion system. Using Brouwer fixed-point theory and Liapunov function, under some conditions, we obtain that the system has a unique globally asymptotically stable positive periodic solution. Secondly, we consider a kind of nonautonomous predator-prey model, in which preys are with stage structure and the predator are with two patches.

中文摘要:本文分三部分讨论三类生态模型周期解或概周期解的存在性及全局渐近稳定性等内容:第一部分讨论了两斑块种群的互惠Lotka-Volterra扩散系统,运用不动点理论和构造Liapunov函数,得到了系统存在唯一一个全局渐近稳定的正周期解的充分条件。

In this paper, we discuss asymptotically stable sets of graph maps and give a necessary and sufficient condition for a fixed point of f to be asymptotically stable.

在本文中,我们讨论了图映射的渐近稳定集,并给出了f的不动点为渐近稳定的一个充分必要条件。

Cosette was pale, and had fallen at full length on the ground at his feet, without a movement.

珂赛特,脸色发青,在他脚前躺在地上,一动也不动

She was extended full length at her end of the divan, completely motionless, and with her chin

她平躺在长沙发的一头,身子一动也不动,下巴稍微向上仰起,仿佛她在上面平衡着一件什么东西,生怕它掉下来似的。

That was a good idea but, honestly , I don't think an auger would cut this stuff either.

那是个好主意,可是,诚实地说,我觉得钻头也钻不动这种地。

Moreover, existence of analytic solutions for a linear iterative equation with variable coefficients is given by reducing to an auxiliary equation and using Schauder's fixed point theorem.

此外,本章还使用Schauder不动点定理,通过建立辅助方程,研究了变系数的线性型迭代方程解析解的存在性。

Moreover, existence of analytic solutions for a linear iterative equation with variable coefficients is given by reducing to an auxiliary equation and using Schauders fixed point theorem.

此外,、本章还使用Sehauder不动点定理,通过建立辅助方程,研究了变系数的线性型迭代方程解析解的存在性。

I went back to Shan Dong and stayed in one of my classmates' place in order to give birth to the baby. The incident later on I bet you know: the war broke out by the Jap's invasion. I was still pregnant and run away into the backland until I couldn't move. I was separated and lost in touch with all the relatives and friends.

我回到山东,在一个同学家住下,想在那儿生下孩子,后来发生得变故你也知道,战争爆发了,日本人打来了,我怀着身孕逃往内地,直到再也走不动了,所有的亲人朋友都失散了,我在四川江边的一个小镇生下了孩子。

To backslide you don't have to go back, you only have to stay in the same place while God moves on.

所谓"不进则退",要倒退,你只要在神动工时不动就行了。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。