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Asymptotic property of the solution of the system which consists of a reliable machine, an unreliable machine and a storage buffer with infinite many workpieces has been studied.

研究了带无穷多个部件的，由一个可靠机器，一个不可靠机器与一个缓冲库构成的系统解的渐近性质。

This paper consists of three parts:We first consider the non-autonomous predator-prey system with both Beddirigton-DeAngelis functional response and dispersion. By using comparison theorem of differential equation, we study the permanance of the system. After that, by constructing suitable Lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system.

本文研究三方面的内容：第一部分考虑具有扩散和Beddington—DeAngelis功能反应的捕食-食饵系统，利用微分方程比较原理得到该系统一致持续生存的条件；通过构造适当的Lyapunov函数得到了该系统存在全局渐近稳定概周期解的充分条件。

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。

It generally consists of lighthearted, progressive loops that bop along at a good pace and set a great tone for the action.

它一般是由以很好的节奏击打着的轻快而渐进的循环组成，为行动定下了很好的基调。

I thought it necessary, though at the hazard of being tedious, to examine at full length this popular notion that wealth consists in money, or in gold and silver.

关于财富就意味着货币或金银这一流行的说法，我认为有必要作详尽的考察，虽然这样做难免令人感到沉闷。

This book consists of my recollections of a man with whom I was thrown into close contact only at long intervals and I have little knowledge of what happened to him in between.

这本书包括我对一个人的回忆，这个人和我虽然非常接近，但是隔开很长时间才碰一次面，他平时的情况我几乎一无所知。

His book about Ireland consists mostly of material taken up at second hand from other travel books.

他那本关于爱尔兰的书大部分是间接从其他游记中取材的。

A hydrogen molecule consists of only two hydrogen atoms with the same atomic weight.

氢分子仅由两个原子量相同的氢原子组成。

A hydrogen molecule consists only of two hydrogen atoms with the same atomic weight.

氢分子仅有两个原子量相同的氢原子所组成。

We are familiar with the idea that all matter consists of atoms.

我们大家都知道，所有的物质都是由原子组成的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。