必要条件

利用变分法原理，推导出满足优化问题的必要条件

The necessary conditions for optimality were derived calculus of variations .

非线性H∞问题的必要条件及充分条件研究

Necessary Conditions and Sufficient Conditions for Nonlinear H_ ∞ Control

大学学位已经成为在大多数行业谋职的必要条件。

A university degree has become a requisite for entry into most professions .

积极扩张的市场经济是发展的必要条件。

An active and expansive market economy is a necessary condition for progress .

成功的农业改革也是墨西哥实现现代化的必要条件。

Successful agricultural reform is also a sine qua non of Mexico 's modernisation .

懂得会计知识是从事分析员工作的一个必要条件。

An understanding of accounting techniques is a major requisite for the work of the analysts .

我们被教导了如何阅读，因为这是人类理解的必要条件。

We 're taught to read because it 's necessary for much of human understanding ．

其他文化群体的人重视沉默,认为沉默是理解一个人的需求的必要条件。

Persons in   other   cultural   groups   value   silence and   view it    as   necessary   for   understanding   a   person 's   needs .

准备一份清单。准备一份清单是写一篇好文章的必要条件。

Prepare a list.Preparing a list is necessary for writing a good article .

接触大自然被认为是儿童大脑发育的必要条件。

Exposure to nature has been thought to be necessary for brain development in children .

CT扫描方式是准确诊断各型眼眶骨折的必要条件。

So the choice of a correct scanning method is necessary in the diagnosis of fracture of orbital surface of frontal bone .

选用GM模型的必要条件与变系数GM递推预测模型

The Essential Conditions for Using GM and the Progressively Predictive Model with Changeable Coefficients in GM

非光滑动态多人优化与决策问题Nash解的必要条件研究

Necessary Condition for Nash Strategy in Multiperson Dy-namic Nonsmooth Optimization and Decision

铝型材挤压模具PCVDTiN必要条件研究

The Study on Condition of Aluminium Profile extrusion dies PCVD TiN

TSP最短路径的必要条件初探

Necessary condition for shortest path of TSP

本文定义了一种群H，讨论了映射芽对于群H有限决定的一些充分、必要条件。

A kind of group H is defined and some ample and necessary conditions for finite determination of map-germ with respect to group H are discussed .

该委员会在确定经济是否衰退时会考虑GDP、就业等经济数据，它并不将产出连续两个季度下滑作为经济衰退的必要条件。

The panel considers GDP , employment and other economic data , and doesn 't require two consecutive quarters of declining output .

尤其是通过综合多变量模型的分析发现，FDI是我国各省区经济增长的充分条件，但是并不是必要条件。

The comprehensive multivariable model analysis shows that FDI is the sufficient conditions but not the necessary conditions for the economic growth .

进一步，做为这一新结论的应用，推导了经典的ARCH（p）模型存在平稳遍历解的充分必要条件。

Moreover , as an application of the results above , the sufficient and necessary condition for the strict stationarity of the classical ARCH ( p ) model is deduced .

根据集合卡尔曼滤波产生的必要条件，介绍了集合卡尔曼滤波整合动态数据和3D地震数据的基本原理。

According to the application conditions of the Ensemble Kalman , we introduce the basic principles of integration of dynamic data and 3D seismic data using the Ensemble Kalman Filter .

Markov积分算子半群的生成元稠定的充分必要条件是q-矩阵Q一致有界；

We obtain that the generator of the Markov integrated semigroup is densely defined in l_ ∞ if and only if q-matrix Q is uniformly bounded .

关于循环Hadamard矩阵存在的必要条件

Note on the Circulant Hadamard Matrix

可见C3在补体系统已知的三条激活途径中处于枢纽地位，是补体系统激活的必要条件。

Because C3 is a pivotal factor in complement activate pathways and is necessary for activation of complement system .

对于单态的内部表现型平衡点，ESS不再是其稳定的充分必要条件。

ESS isn 't the necessary and sufficient conditions of the stability of monomorphic interior phenotypic equilibria .

传统逻辑教材现代化的进程中存在以下四个技术问题：把如果非p那么非q提升为必要条件假言命题的标准表达式；

There exist four technique problems in modernizing the logic textbooks : promote " if not p , then not q " as the type of standard expression , which is hypothetical proposition of necessary condition ;

正常情况下VEGF在足细胞合成，以旁分泌的形式作用于临近EC表面的VEGF受体，是维持毛细血管袢完整和EC增殖的必要条件。

VEGF is synthesized in podocytes and will paracrine to VEGF receptors on jacent ECs which is the essential condition of EC proliferation and the glomerular capillary loop maintenance .

设计和部署大型环境的一个必要条件是，要确保关键的配置参数具有Enterprise-Wideunique（EWU）标识符。

A necessity for designing and deploying large environments is to ensure that critical configuration parameters have Enterprise-Wide unique ( EWU ) identifiers .

对逆极限空间上具有性质P等动力性质的诱导映射与其坐标映射之间关系进行了讨论，证明了诱导映射具有性质P的充分必要条件是每个坐标映射也具有性质P等结论。

The author discuss the dynamical connections , such as Property P between the induced map and the original maps on inverse limit space and prove that the induced map has Property P if and only if all original maps have also .

利用FRITZJOHN最优性必要条件，在适当条件下建立了这两类一阶和二阶对偶模型的弱和逆对偶性定理。

We use the Fritz John necessary optimality conditions to establish weak and converse duality theorems for the two types of dual models under suitable conditions .

这一结果也进一步证明了空间关联不是听觉IOR产生的必要条件。

And this further proves that spatial relevancy is not a necessary condition to the production of auditory IOR .