We obtain some sufficient conditions which ensure the boundedness and global attractivity of the systems.

得到了系統(tǒng)有界性和零解的全局吸引性的充分條件国产福利一区二区免费视频。

By applying the comparison theorem and some new analysis technique, some sufficient conditions which guarantee the permanence of the system are obtained. After that, by constructing a suitable Lyapunov function, sufficient conditions which ensure the global attractivity of the system are obtained.

利用差分方程的有關(guān)理論av黄色在线免费观看，使用與前面不同的分析方法国产自慰喷水福利，獲得保證該系統(tǒng)永久持續(xù)生存的充分性條件免费一级毛片完整版视频超级；其后通過構(gòu)造適當(dāng)?shù)牟罘諰yapunov函數(shù)可以在线看的av网站，得到保證該系統(tǒng)全局吸引的充分性條件激情污片网站看片网站黄页。

In Chapter 4, we study the global attractivity of monotone random dynamical systems.

在最后一章，我們研究了單調(diào)隨機(jī)動(dòng)力系統(tǒng)的全局吸引性又黄又硬又粗又大免费无遮挡。

Using Mawhin s theroy and Liapunov funtional we discuss the existence and global weak attractivity of periodic solutions for a class of functional differential equation.

利用Mawhin的迭合度理論和Liapunov泛函日韩美女一级久久精品视频，討論了一類泛函微分方程的周期解的存在性和全局弱吸引性。

Furthermore, when the system is a periodic system, sufficient conditions are obtained that guarantee the existence, uniqueness and global attractivity of the positive periodic solution by applying the Brouwer fixed theorem and the method of constructing Liapunov function.

利用比較原理給出了系統(tǒng)一致持久性的充分條件免费三级片一区；當(dāng)系統(tǒng)是周期系統(tǒng)時(shí)18禁免费观看黄网站，應(yīng)用Brouwer不動(dòng)點(diǎn)原理和構(gòu)造Liapunov函數(shù)的方法給出其存在惟一且全局吸引的ω-周期正解的充分條件，并通過實(shí)例驗(yàn)證了文中定理?xiàng)l件的可實(shí)現(xiàn)性黄片无码A级。

When used alone, nepetalactone attracted mosquitoes to the trap of the olfactometer, however, when mixed with human odor or a L-lactic acid dichloromethane solution, nepetalactone inhibited the attractiveness obviously. Nepetalactone exhibited a spatial repellency, but was not an ideal topical repellent. DEET did not have the attractiveness to mosquitoes, and did not exhibit inhibition on L-lactic acid dichloromethane solution too, hut enhanced the attractivity of human odor to mosquitoes.

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In chapter3 of this article, We will concentrate on the existence of periodic orbit when thecondition that enables the global attractivity is destroyed.

本文中美女免费的黄色视频，在不滿足他們給出的充分條件下野花香高清视频在线观看，我們分析了系統(tǒng)解的動(dòng)力學(xué)性質(zhì)。

The global attractivity of the recursive sequenceis investigated, we show that one positive equilibrium point of the equation is a global attractor with a basin that depends on certain conditions posed on the coefficients.

我們首先在第二章討論了方程的全局吸引性一级香蕉电影，并證明了方程的一個(gè)平衡點(diǎn)在某一和系數(shù)有關(guān)的區(qū)域內(nèi)是一個(gè)全局吸引子国产免费午夜福利播放视频。

In this paper, the global attractivity is investigated firstly, which includes the existence and stability of positive trivial solution, the attractivity of positive solution, etc.

本文首先研究了三類生態(tài)模型解的漸進(jìn)性，其中包括正平衡態(tài)的存在性和穩(wěn)定性欧美大屌插逼，正解的吸引性等久久这里的视频都是精品，其次討論了一類單種群模型解的振動(dòng)性問題。

This paper improves the course attractivity and inspires the student's learning interest, in a word, to increase the teaching efficiency.

該方案旨在增強(qiáng)課程的趣味性免费看黄色毛片网站播放，充分調(diào)動(dòng)同學(xué)的學(xué)習(xí)積極性www.jslongdi.com，從而提高課程的教學(xué)效率，在實(shí)踐教學(xué)中取得了一定的教學(xué)效果欧美视频手机亚洲手机。