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Dominating set is an important concept in graph theory, which is defined as an a vertexsubset such that every other vertex not in it must be adjacent to some vertex in this subset.

控制集是图论中的重要概念，它定义为图中的一个点集，使得图中其它任何一点都与该点集中的某点相邻。

The attention is focus on presenting the sufficient conditions for the existence of the memoryless state feedback guaranteed cost controller by linear matrix inequality technology, and the design of the guaranteed cost control law such that the closed-loop system is asymptotically stable and has a specified upper bound of the closed-loop cost function value for all admissible uncertainties.

利用线性矩阵不等式技术，给出了保性能控制律存在的充分条件，所设计的无记忆状态反馈保性能控制律，可以使闭环系统渐近稳定，且闭环性能指标在允许的范围内不超过某个确定的上界。

The purpose of this paper is to design a state feedback controller such that the closed-loop system is asymptotically stable for all admissible uncertainties.

本文的目的是设计状态反馈控制器，使得对所有满足条件的不确定参数闭环系统都是渐近稳定的。

A person is guilty of affray if he or threatens to unlawful violence towards another , and his conduct is such that a reasonable person who happens to be presented may fear for his .

若一个人对另一个人或威胁非法暴力而且他的行为使一个在场的正常人为自己的担心时，他就犯有在公共场所斗殴罪。

Cannon, the alarm reaction involves , among other changes ,increased heart rate and blood pressure, producing an increased supply of oxygen to the muscles ,changes to the digestive system, rapid digestion of sugars for increased energy ,and alterations in the composition of the blood such that clotting occurs more quickly.

经由 W.Cannon 的系统研究，警戒反应包括，心率加快、血液升高、血糖消化加快已提供更多能量，血液成分的交替变化比如血凝固更快更多。

Let H. f and g be real polynomials in x, y of degree n+1, at most n and at most n respectively,△ be a set of h such that the real algebraic curve H =h has a compact component δ, and ω=gdx-fdy be a polynomial 1-form.

设H是n+1次实多项式，f，g为至多n次的实多项式，记△为使实代数曲线H=h有一个紧分支δ的所有h之值的集合，ω=gdx-fdy为多项式1-形式。

A polynomial system PS over the rational number field is constructed from the formula...,in a given many-valued logic system such that follows from ...,iff the algebraic variety defined by PS is empty, iff the idealenerated by PS is trivial.

由给定的多值逻辑系统中的一组公式，。。。，，出发，构造出了一组有理数域上的多项式PS，使得是，。。。，的逻辑结论，当且仅当PS定义的代数簇为空集，当且仅当PS生成的理想是平凡理想。

Only quantum mechanics can provide the answer: the particle's position will have an uncertainty that follows the Heisenberg Uncertainty Principle, such that it might not really reach the singularity and thus escape the possible collapse to infinite density.

只有量子力学可以提供答案：粒子的位置将具有不确定性，它们遵守海森堡测不准原理，因而它可能不是真的达到奇异而因此逃逸了可能的坍塌达到无限密度。

If the electric charges in the two stars are supposed to be equal, it can be calculated according to the Kulun's theorem that 19100 nuclear unity masses must have one electron , such that the electromagnetic force produced can provide enough centrifugal force for the rotation.

假定两星所带的电荷数量相等，根据库仑定律，我们可以计算出，在两星中平均每19100个原子单位质量，就必须带有一个电子电荷，所产生的静电引力才能够提供足够的向心力。

Unfortunately , the state of mechanical gears and levers at that time was such that the Leibniz machine was not very reliable

中：不幸地，在那时机械的设备和控制杆的状态是这样的， Leibniz 机器并不是很确实的

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。