充分条件

By the Lyapunov functional method and linear matrix inequality technique, the sufficient conditions of finite time boundedness for the singular system via state feedback controller were provided.

利用Lyapunov泛函方法和线性矩阵不等式工具，给出了不确定奇异系统经由状态反馈的有限时间有界的充分条件。

The result is generalized to a sequence of Banach spaces.

由此得出：Banach空间X上n次积分C-半群序列S强收敛于Banach空间X上n次积分C-半群S的充分条件是其生成元序列A强收敛于A，并将这一结论推广到一般的Banach空间序列上。

As applications of our results,in section 3.3,we investigate the existence of periodic solutions and golbal exponential stability of some classes of impulsive cellular neural networks with time delays.

第四章首先使用Krasnoselskill锥不动点定理研究了一类一阶奇异脉冲泛函微分方程的周期边值问题，得到了这类奇异边值问题正解存在性的充分条件，我们的结果允许右端函数f中关于u是奇异的。

Finally, a sufficient condition for output feedback stabilization of min-max-plus system is obtained according to new coloring graph and new circuits characteristics.

最后， 根据新着色图和新增圈特点得到了系统输出反馈镇定的一个充分条件。

New technologies were a necessary condition for the green revolution, but not a sufficient one.

而新技术只是绿色革命的必要非充分条件。

In 2002, L.Volkmann [6] raised a problem: Determine other sufficient conditions for emicomplete multipartite digraphs such that every arc is contained in a Hamiltonian path.

Volkmann [6]提出这样一个问题：给出半完全多部有向图中每一条弧都在Hamilton-路上的充分条件。

The sufficient condition of stochastic delay population system with diffusion is obtained in Hilbert space.

利用Ito公式和Burkholder-Davis-Gandy定理及Gronwall-Bellman不等式，通过构造一个有界的柯西列，给出了Hilbert空间中随机时滞种群扩散系统解的存在性和唯一性的充分条件，文章所得到的结论是目前现有结果的推广。

We give a sufficient condition for the self-similar set in the plane which is homeomorphic to the unit disk.

最后一章讨论自相似集的拓扑结构，给出了平面上的自相似集同胚于单位圆盘的充分条件。

It is proved that if a homeomorphism f on a compact metric space with the POTP is distal homeomorphism, then f does not have the average shadowing property.

证明了紧致度量空间中有伪轨跟踪的distal同胚不具有平均跟踪性，并给出了有平均跟踪性的同胚是极小的一个充分条件。

By using the continuation theorem of coincidence degree theory, homotopy invariance property and Lyapunov's approach, some sufficient conditions ensuring the existence and stability of positive periodic solutions of the system are obtained.

利用Mawhin重合度理论，并结合同伦不变性质，以及Lyapunov方法，获得该系统正周期解的存在性和全局稳定性的充分条件，推广和改进最近一些文献的结果。

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％。