Good presenters know that the content (data, evidence, logic) is a necessary condition but not a sufficient condition for a truly world class presentation job.
优秀的讲演者知道，内容(数据、证据、逻辑)只是真正的世界级讲演的必要条件，而非充分条件。
Similarly, if we hear that self-expression_r is a sufficient condition of art, that prompts us to ask whether or not that criterion really picks out only artworks.
与此相似，如果我们听说自我表现是艺术的一个充分条件，那就立刻促使我们问：这个标准是否真的能够单把艺术甄别出来。
However, it is not hard to show that every one of these attributes is at best a necessary condition but not a sufficient condition for a thing to be art.
然而，不难表明，这些属性中的每一种，对于一个东西成为艺术而言，充其量是一个必要条件，而非一个充分条件。
Mainly, it proves that a sufficient condition of a parahomogeneous function is a subhomogeneous function.
主要是证明了仿齐次函数为亚齐次函数的一个充分条件。
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。
Also a sufficient condition is obtained that product of two covariant topology Spaces is covariant topology space.
同时也给出了两个协变拓扑空间可乘的一个充分条件。
The paper presents a sufficient condition for the existence of the optimal output feedback solution of the LQ problem.
文中给出了这种输出反馈解存在的充分性条件。
Then they focus on a projectively flat Finsler spaces, find a sufficient condition for it to be of constant curvature.
文章后半部分探讨了射影平坦的芬斯勒空间，得到它成为常曲率空间的一个条件。
In this paper, a sufficient condition of robust D-stability for discrete-delay uncertain singular systems is presented.
给出了一类离散滞后不确定奇异系统的鲁棒d -稳定性条件，发现渐近稳定的条件与时滞无关。
It is also a sufficient condition for second order linear differential equation with varied coefficient to be integrable.
对于二阶变系数线性微分方程来说，这也是可积的一个充分条件。
In the paper, a class of nonlinear switched systems is considered, and a sufficient condition of robust stability is given.
研究了非线性开关系统，给出了其鲁棒稳定性的充分条件。
Based on LMIs, a sufficient condition for the existence of reliable control with uncertainty of pole configuration is given.
利用LMI给出了带有不确定性扇形区域极点配置的可靠控制器存在的充分条件。
In this paper, sequence pseudo orbit tracing property is defined, and a sufficient condition on topological transitivity is given.
给出序列伪轨跟踪性的定义，得到拓扑可迁的一个充分条件。
The inverse least square problem with spectral constraints is also studied and a sufficient condition is given for its solvability.
讨论了四元数量子力学中带有谱约束的最小二乘解反问题，得到了此问题有解的充分条件。
Furthermore, we obtain a sufficient condition by which we can distinguish if an ordinary differntial system is a continuous ergodic system.
进一步我们也给出判别一个常微系统是连续遍历系统的充分条件。
Based on the LMI approach, give a sufficient condition for decentralized stabilization and a method for the design of corresponding controllers.
基于线性矩阵不等式(LMI)方法，给出了该系统可分散控制的充分条件及相应控制器的设计方法。
For the output regulation problem of slowly-varying linear systems via full information feedback, a sufficient condition of solvability is given.
对于经由全信息反馈的慢变线性系统的输出调节问题，我们给出了解决问题的一个充分条件。
Based on the LMI approach, a sufficient condition for decentralized stabilization and a method for the design of corresponding controllers are given.
基于L MI方法，给出了该系统可分散控制的充分条件及相应控制器的设计方法。
On condition that the nonlinear uncertain functions are gain bounded, we derive a sufficient condition for the robust stability of the time-delay system.
在非线性不确定性满足增益有界条件下，得到了该类时滞系统鲁棒稳定的一个充分条件。
Based on stability theory in stochastic differential equations, a sufficient condition on the existence of stochastically guaranteed cost controllers is derived.
基于随机微分方程稳定性理论，给出了随机保性能控制器存在的充分条件。
Using multiple Lyapunov functions, a sufficient condition is derived to ensure that the switched nonlinear systems are uniformly bounded and uniformly ultimate bounded.
基于李雅普·诺夫函数方法，给出了无激励非线性切换系统一致有界和一致最终有界的充分条件。
The main result is that we get a sufficient condition for the weak convergence of convolution powers of probability measures, by using the method of local grouplization.
讨论一类可数离散半群上概率测度卷积幂的弱收敛性，主要结果是利用局部群化的观点给出了概率测度卷积幂弱收敛的一个充分条件。
Based on a more practical and general fault model of the actuator, a sufficient condition about reliable tracking control is obtained by the region pole assignment theory.
在更一般、更实际的执行器故障模型的基础上，根据区域极点配置理论。给出了系统输出信号渐近跟踪参考输入信号的可靠跟踪控制器存在的充分条件。
But I will show that the convexity rule is neither a sufficient condition nor a necessary condition. So the conceptual space solution can't solve the new riddle of induction.
但本文表明，凸性规则既不是可投射性的充分条件也不是它的必要条件，因而概念空间方案并未解决新归纳之谜。
In this paper the properties of the strictly convex space are studied further. In the time this paper further gives a sufficient condition that isometric operator is linear operator.
本文进一步研究了严格凸空间的性质，并给出了等距算子为线性算子的一个充分条件。
Finally, by using the concept and method of the Lyapunov function, a sufficient condition for the approximate stability in the large field of the closed-loop control system is derived.
最后，利用李雅普诺夫函数概念和方法得到了闭环控制系统具有大域渐近稳定性的充分条件。
Some new equivalent conditions of weak convergence of probability measure are presented and a sufficient condition for the epi-convergence of expectant functional sequence is obtained.
研究了函数序列关于弱收敛概率测度序列积分的极限定理，给出了概率测度弱收敛的若干新的等价条件，得到了期望泛函序列上图收敛的一个充分条件。
Some new equivalent conditions of weak convergence of probability measure are presented and a sufficient condition for the epi-convergence of expectant functional sequence is obtained.
研究了函数序列关于弱收敛概率测度序列积分的极限定理，给出了概率测度弱收敛的若干新的等价条件，得到了期望泛函序列上图收敛的一个充分条件。
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