查询词典 necessary condition

The consistency of the scheme is analyzed and the necessary condition of stability is proved by the spectral analysis.

分析了差分格式的相容性，通过谱分析证明了差分格式的稳定性。

The necessary condition for the equation to has a positive solution is that the norm,spectral radius,radius of numerical range of A and Q satisfy some conditions.

近年来，形如X+A*X-2A=Q的矩阵方程受到了国内外许多学者的关注，并在有限维希耳伯特空间中得到了一些相应的结论[1~3]。

The first point of innovation of this article is proposing that we need to discuss the existence of industrial strategic grouping and stability of structure of group of joint which is considered as the necessary condition of the forming of strategic groups of joint.

从产品的差异性和资源的不可模仿性进行研究，分析了银行产业进行群组研究的可行性。

Water supply of city is its vital arteries and offers necessary condition for producing and living. It is the key factor of city development and also the important factor of society stableness.

城市供水是城市的命脉，它为城市的生产、生活提供着必需的条件，是制约城市发展的决定性因素，甚至也构成了关系社会安定的重要因素。

Moreover, we get the sufficient and necessary condition of in Orlicz spaces.Chapter 3 Extreme points and strongly extreme points in Orlicz spaces equipped with the generalized Orlicz norm: In this paper, the conceptions of the generalized Orlicz norm and the generalized Luxemburg norm are introduced, and the criteria of extreme points and strongly extreme points of Orlicz function spaces equipped with the generalized Orlicz norm are obtained. Moreover, criteria of space strictly convex and mid-point locally uniform convex are given.

第三章 赋广义Orlicz范数的Orlicz函数空间的端点和强端点：本章在Orlicz空间推广了Orlicz范数和Luxemburg范数，引入了广义Orlicz范数和广义Luxemburg范数的定义，并给出了赋广义Orlicz范数的Orlicz函数空间的端点和强端点的判据，进而得到了赋广义Orlicz范数的Orlicz函数空间严格凸和中点局部一致凸的充要条件。

Theorem 2 gives the sufficient and necessary condition of continuous parameter set-valued submartingale existing Doob-Meyer decomposition.

定理 2给出了连续参数集值下鞅存在唯一的Doob Meyer分解的充要条件

As a result, we gave a sufficient and necessary condition for the existence of the essential component.

最后给出了一个本质连通区存在的充分必要条件。

The necessary condition of an important result of the probability that the supremum of a random walk with heavy-tailed increments crosses a curve on a random time interval is presented by using an important property of a general distribution class.

利用一类常见分布族的一个重要性质，给出了增量带重尾分布的随机游动在随机时段内的上确界超越曲线边界的概率的一个重要结果的必要条件。

This paper gives the concept and some properties of partition symmetric anti-circulate matrix, and the sufficient and necessary condition is discussed.

给出了分块对称反循环矩阵的概念，讨论了分块对称反循环矩阵的性质，给出了分块对称反循环矩阵的若干充分必要条件。

We give a sufficient and necessary condition of feedback symmetrization, and set up a method to construct the feedback laws.

这个问题也是本文首次提出并研究的一个问题。

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％。