查询词典 sufficient

However, methods and references for difference equation are relatively less. The new method proposed in this paper transfer the complex boundary value problem into the existence and uniqueness of the solution of the linear equations. For linear case , we obtained the necessary and sufficient conditions for the existence and uniqueness of the solution for the BVP; For the nonlinear case ,we got a series of new sufficient conditions by using contraction mapping theory and cone theory .

而差分方程边值问题的研究方法和文献还很少，文中新的研究差分方程边值问题的方法是将复杂的边值问题求解转化为代数理论中的线性方程组解的存在和存在唯一问题；对线性情形，较容易地获得了边值问题的解存在以及唯一的充分必要条件，而对非线性情形，则通过压缩原理和锥理论等各种不动点定理，获得了一系列新的充分条件。

In this paper, we give a new sufficient condition and describe some semicomplete multipartite digraphs demonstrating that this sufficient condition is independent and in some sense, it is best posssible.

本文将针对此问题给出一个新的充分条件，并举例说明该充分条件的独立性以及它在某种意义下的最佳可能性。

This paper is divided into two parts: The first part, mainly discussed the properties of unitary equivalence and the relation between unitary equivalence and similarity, introduced a unitary equivalent of the necessary and sufficient condition: Specht theorem; The second part of a major demonstration of the 11 normal matrix's necessary and sufficient conditions, given some important properties of normal matrix such as simultaneous diagonalization.

本文主要分为两部分：第一部分，主要讨论了酉等价的性质及酉等价与相似的关系，介绍了酉等价的充分必要条件Specht定理；第二部分，主要论证了正规矩阵的11条充分必要条件，给出了正规矩阵的一些重要性质

In the second place, they may be of different kinds depending on whether they assert that a certain practice is necessary, sufficient, or neither necessary nor sufficient but still helpful, for the fostering of the disposition referred to in premiss, or simply that it is more effective in doing so than other methods are; and the conclusion in must be understood differently, depending on which of these claims they make, though the argument may in each case be read as establishing that the practice in question has some value or desirability.

其次，它们可能属于不同的种类，依赖于它们是否声明一种特定的实践是必需的、足够的或既不必需又不足够但仍然是有助的，因为就要培养的性状在前提中已经涉及，或简单地说它这样做比别的方法是更有效的；而且，中的结论，必须依赖他们提出的是这些声明中的哪一个，被进行不同的理解，虽然，关于问题中提到的实践，是有一定价值或是让人心满意足的争论，如在建立时那样能够在每一个例子中被读到。

This range achieves a sufficient push-pull tracking signal and a sufficient modulation of recorded marks.

所述范围可以获得足够的推挽跟踪信号和足够的记录标记调制度。

Secondly, the problem of linear prediction for Qy in the original model and its transformed model is considered, the notion of linear sufficiency and the problem of comparison of linear models with respect to prediction problems are proposed and the corresponding necessary and sufficient conditions for the transformation to be linearly sufficient and for one model to be superior over another are given, respectively.

其次，我们讨论了原始模型和变换模型下Qy的线性预测问题，提出了在该预测问题意义下的线性充分性和模型比较的概念，分别给出了变换Fy是线性充分的、以及一个模型优于另一个模型的充分必要条件，此外还得出了一些特殊结论。

It plays the vital role in the process of transforming the non-self sufficient sentence into the self sufficient sentence.

完句范畴可以看作汉语的广义形态，它在非自足句转化为自足句过程中有着重要的作用。

In Chapter 3 Firstly, the exponential stability in mean square and almost sure exponential stability for neutral stochstic neural networks with time-varying delay can be discussed by using the linear matrix inequality and the semimartingale convergence theorem; And our sufficient conditions are less conserative; Secondly, by utilizing the fixed point theorem, some sufficient and necessary conditions ensuring the asymp- totic stability in mean square for neutral stochastic neural networks with time-varying delays can be given.

第三章首先，利用线性矩阵不等式方法和半鞅收敛定理，考虑了一类具变时滞中立型随机神经网络的二阶矩指数稳定性和几乎必然指数稳定性，所得到的条件保守性要好；其次，采用不动点方法，给出了具变时滞中立型随机神经网络的二阶矩渐近稳定性的充要条件。

VEGFR and sufficient cell crack aperture the relation of diaphragmatic and crucial element and the heat that its already made research in the action in protective screen of kidney spherule filtration, the article emphasizes the research progress of the VEGFR on sufficient cell to undertake summing up.

VEGFR和足细胞裂孔隔膜关键分子的关系以及其在肾小球滤过屏障中的功能已成为探究的热点，本文着重就足细胞上VEGFR的探究进展进行综述。

Research discovers kidney spherule sufficient cell can secrete VEGF, through be secreted oneself or by secrete sufficient cell of action and kidney spherule and cell of kidney spherule endodermis to go up union accepting put oneself in another's position, in order to adjust its function.

探究发现肾小球足细胞可以分泌VEGF，通过自分泌或旁分泌功能和肾小球足细胞和肾小球内皮细胞上受体结合，以调节其功能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。