查询词典 limit function

The theoretical analysis are verified by numerical simulations.Chapter 3 mainly considers a class of predator-prey model with sublinear functional response function. We deduce some sufficient conditions ensuring stability of equilibrium, nonexistence , existence as well as uniqueness of the limit cycle around the positive equilibrium.

第3章研究了一类食饵为线性密度制约，功能反应函数为次线性函数的食饵-捕食者模型，完整地对模型的平衡点的全局稳定性和极限环的存在惟一性进行了定性分析，得到了该系统不存在闭轨线，正平衡点全局稳定和存在惟一稳定的极限环的充分条件。

In order to get the convergence properties of the weak set-valued Amart , we firstly proved the theorem that the limit of support functions is a support function.

为了得到关于弱集值渐近鞅的收敛性质，首先证明了支撑函数列的极限亦为一支撑函数。

Second theorem shows that the existence of solution is possible under suitable conditions when the limit of growth of nonlinear term at infinity is an unbounded function.

第二个定理表明当非线性项在无穷远处增长的极限是一个无界函数时在适当条件下这问题仍可能有一个解。

This variation is primarily a function of the cutoff leakage current of the CA3080A (a maxi- mum limit of 5nA), the leakage of the storage element, and other extraneous paths.

这种变化主要是截止泄漏的CA3080A（一5nA马克西，妈妈限制电流功能），存储单元的泄漏，以及其他无关的路径。

Stability of theoretical and numerical solution to stiff integro-differential equa-tionsand to stiff integro-differential equations of integral limit which depends on state function yare discussed in this paper.

中文摘要：本文研究刚性积分微分方程初值问题及积分限依赖于状态函数y的刚性积分微分方程初值问题的理论解及数值解的稳定性和收敛性。

This paper briefly introduces the come about background, content, model and development of Markowitz's Portfolio Theory before hand, and then builds a basic and simple target function model, considers the problem of existence of investment upper limit in single and overall investment, determines the relationship between yeild rate and risk rate, further deepens the appliction of the theory through actual case analysis, during which data analysis is also applied by using LINGO program.

本文首先简单地介绍了马克维茨投资组合理论的诞生背景、、内容、模型及发展，然后建立一个基本、简单的目标函数模型，考虑单个投资和整体投资有投资上限的问题，确定收益率与风险率的关系，通过实际的案例分析进一步加深对该理论的应用。在案例的分析过程中运用LINGO程序分析数据。

By Z transform, the limit of correlation property of spread spectrum code to a δ function is broken and the Pre-Rake diversity system performance under ideal channel estimation condition is obtained.

通过Z变换分析，我们突破了原有文献对扩频码相关特性为δ函数的限制，得到了理想信道估计情况下Pre-Rake分集系统的性能。

First introduction whole wave commutate electric circuit ofwork principle, immediately after introduction the electriccapacity filter the function characteristics of an electriccircuit, and in the electric circuit adoption exaltation stability,exaltation temperature stability and limit flow a type over flowprotection electric circuit of concrete measure with insure anelectric circuit safety stability of work.

首先介绍了全波整流电路的工作原理，接着介绍了电容滤波电路的性能特点，然后引入了具有放大环节和辅助电源的串联可调式稳压电源，并在电路中采用了提高稳定度，提高温度稳定性及限流型过流保护电路的具体措施，以确保电路安全稳定的工作。

In contrast to conventional methods, a novel cell sheet-based technique has been proposed .This technique intend to achieve high cell density and function by layering confluent viable cell sheets without the use of acellular scaffolds that limit mass transport. Using thermo-sensitive cell culture surfaces, confluently cultured cells spontaneously detach as intact sheets simply by reducing the culture temperature.

与传统方法相比，有学者提出了一种新的以细胞层为基础的组织工程技术，这种技术作为一种新的选择，利用温敏性培养皿，经简单的温度变化，可以非损伤性的一起获得完整的培养细胞层及其所沉积的细胞外基质，从而避免了使用蛋白水解酶。

However, the vast computation cost, the implicity of object function and discontinuousness of search space limit the application of traditional gradient-based optimization methods.

然而，由于计算时问长，目标函数无法显式表述，搜索空间可能不连续等因素，很难直接基于数值仿真通过梯度法进行设计优化。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。