若干

Nonlinear functional analysis is not only profound theory but also widelyused research discipline in mathematics, in the context of nonlinear problemsof mathematics and natural sciences, a number of theories and methods of dil-ing with nonlinear problems have been established.

非线性泛函分析是数学中既有深刻理论又有广泛应用的研究学科，以数学和自然科学中出现的非线性问题为背景，建立了处理非线性问题的若干理论和方法。

In this paper the existence of fixed point problems for nonlinear operator is studied; several new fixed-point theorem are established and some related known work is extended and improved.

本文研究了几类非线性算子不动点的存在性问题，建立了若干新的不动点定理，推广了前人的一些结果。

Some topics for future research, such as nonlinear dynamical behavior of moving strings, vibration of moving viscoelastic strings, control of hybrid systems containing moving strings and control of nonlinear oscillations of moving strings, are suggested.

最后指出该研究方向今后需要研究的若干重要问题，包括运动弦线的非线性动力学行为、黏弹性运动弦线的振动、含运动弦线的混杂系统的控制和轴向运动弦线非线性振动的控制。

Based on the recent situation and trend of the nonlinear systems, we present some recent developments and important problems in stochastic dynamics such as response, bifurcation , chaos, synchronization and control.

摘要介绍了非线性随机动力学的响应、分岔、混沌以及混沌同步与控制的研究现状和发展趋势，探讨了随机复动力系统、时滞系统、逼近方法和数值方法研究中的若干问题及其进展。

In Chapter Ⅲ, by considering functions H k that may not have nonpositive partial derivative on s and employing integral averaging technique and Hardy inequality, the oscillation for a class of high order nonlinear differential equations and high order nonlinear damped differential equations is discussed, new oscillation criteria are established.

第二章利用广义Riccati技巧、积分平均技巧以及微分不等式理论，讨论了一类二阶非线性常微分方程的振动性，得到了若干新的振动准则，并讨论了该方程具有强迫项时解的渐近性态。

Beside the introduction, concerning the background and meaning of selected title, several studying prerequisites and assumptions, the contents and structure, the train of thought and method, domestic and international research overview and document reviewing, etc. this text divides three chapters altogether, its main content is as follows: the inevitability of developing commercial nonproprietary mutual funds, the superiority analysis of this fund, and what is and how to manage the latent difficulties operating this fund, etc.

除前言对选题背景与意义、研究的若干前提与假设、研究的思路与方法、国内外研究概况与文献回顾以及论文的基本结构等内容进行阐述外，本文共分三章，其主要研究涉及：商业银行发展自营投资基金的必然性，商业银行自营投资基金的优势及面临的问题的分析、对商业银行发展自营投资基金业务的建议，等等。

By using the Tadmor's convergence criteria for the difference approximation of the hyperbolic conservative e2 quation and introducing some adjusting parameter in the nonvanishing viscosity , some convergence properties are obtained.

Descripción ：摘要：应用Tadmor 的关于双曲型守恒方程式差分逼近的收敛性判别法，对于若干差分逼近式，引入一些参数，只要在上机时适当调整此参数值，即可得到其收敛性。

In this paper, we introduce the estimation and algorithm o f p arameter and some diagnostic statistics. We deduce the computation formula of curvature and conformal normal curvature for four perturbations of models.

本文主要介绍了指数族非线性模型的参数估计及其算法，若干诊断统计量，并将保形法曲率应用到指数族非线性模型中，推导了模型四种扰动方式的曲率和保形法曲率计算公式。

Firstly,3D point clouds produced by 3D laser scanner are converted into polygon mesh.Then,normal vectors and areas of every polygon mesh are computed and some candidate regions are obtained using region dilation strategy.Finally,the 3D laser scanning data is segmented into regions of similar orientation after the elimination of the insignificant regions.

首先将三维扫描表面数据转化为三维网格模型；然后利用同一区域中相邻网格具有相似法线方向这一性质，使用区域膨胀策略生成若干获选表面区域；最后通过去除候选区域中的噪声区域得到最终表面区域分割结果。

You can work on several different notebooks at the same time.

你可以同时在若干个不同的笔记簿上进行工作。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。