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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。

Considering the average critical gap of pedestrians walking through the vehicle flow and analyzing on large scale of data, it can reach the practical conclusion that the acceptable gap follows the normal distribution function N（4.86,1.72）. In order to make further analysis of the pedestrian delay,capacity and the conflicts with the vehicles,the average critical gaps are evaluated by three different ways.

通过研究行人穿越机动车流的平均临界间隙，对所观测的行人穿越间隙数据进行归纳分析，得出可接受穿越间隙的正态分布函数N（4.86，1.72），并通过三种不同的方法逐一计算出平均临界间隙，可为今后的行人延误时间、通行能力以及与车辆之间的冲突分析研究提供解决方案。

It's amazing how much money we spend on heating things, especially considering there is a huge ball of nuclear fusion called the Sun that will do much of it for us.

它是惊人的，我们多少钱用加热的东西，特别是考虑到有一个巨大的核聚变球称为Sun将执行它，我们的经济。

The crowd numerary that size differs in considering to indicate money market trades the person's amount will have the most extensive general comfortable sexual behavior after new scale.

研究表明金融市场中不同大小的人群数目的交易人的数目在重新标度后将具有最广泛的普适性行为。

The problem of PI controller design for the multi-input and multi-output system is transformed to that of static output feedback controller design via the new state variable. As to the problem of the static output feedback, a new LMI-based sufficient condition of the controller is presented in this thesis. We can gain the multivariable PI controllers just solving one LMI inequality. The numerical example is provided to illustrate the proposed design approach. 3.The H_∞ robust control is able to solve the multivariable problem, also the control problem characteristic of the modeling error, parameters uncertainties and unknown perturbation, Its application research in the power electronics is beginning now. Considering the characteristics of the PWM DC-DC converters, a multivariable PI controllers which is based on H_∞ Performance Index is designed.

通过构造新的状态变量，可以将多输入多输出系统的PI控制器设计问题转化为静态输出反馈控制问题，利用后者的成熟理论来设计控制器；本文在问题转化后采用更为简便的算法，只需通过求解一个LMI不等式，就能求取基于H_∞性能指标的多变量PI控制器参数，实例验证了算法的有效性。3.H_∞鲁棒控制具有处理多变量问题的能力，可解决具有建模误差、参数不确定和干扰未知系统的控制问题；它在电力电子学中的应用研究刚刚开始。

Whether considering his art's extreme numerousness or extreme smallness, he himself resolutely maintains that his art is contemporary art, all of which is stimulating material for consideration.

这次我们邀请了一位国宝级的工艺美术家周长兴，七十多岁的高龄已累积了将近一甲子近万件的微雕作品，我们仅展出千件，无论从极多、极小，他个人极坚持他的艺术就是当代艺术，都是发人深省的研究课题。

For this exhibition we have invited a living, national treasure to participate—the master of handcrafted arts, Zhou Changxing. In his seventy years, he has accumulated nearly ten thousand miniature sculptures, of which we are exhibiting a thousand. Whether considering his art's extreme numerousness or extreme smallness, he himself resolutely maintains that his art is contemporary art, all of which is stimulating material for consideration.

这次我们邀请了一位国宝级的工艺美术家周长兴，七十多岁的高龄已累积了将近一甲子近万件的微雕作品，我们仅展出千件，无论从极多、极小，他个人极坚持他的艺术就是当代艺术，都是发人深省的研究课题。

Considering the importance of governmental participation in the farmer cooperative economic organization development,the paper holds that at the initial period,growing period and mature period of the farmer′s cooperative economy organization,government need keep up improving its functions by respectively acting as nurturer,supporter and night watcher.

摘 要：农民合作经济组织与政府之间的关系对合作组织的发展有着至关重要的影响。政府参与是我国农民合作经济组织发展的必要条件，政府应依照农民合作经济组织发展的初期、成长期、成熟期三个阶段的特性来对自己的职能进行动态定位，以哺育、扶持、守夜人身份执行政府职能。

Considering these two factors, overeducation may be less than 10%, that is to say, the expanded graduates were almost absorbed by the graduate labour market.

考虑到这两点，总样本过度教育的比例可能不足10%。换句话说，高校毕业生能够基本上被劳动力市场吸收。

Taking the lobby of an existing office building in Beijing as study object, considering the weather conditions and the air conditioning load characteristics, performs the energy efficiency reformation of air conditioning system based on the theory and principle of floor panel cooling and heating technology by replacing the original floor panel heating system to a floor panel cooling and heating system. The running results in summer of 2009 show that the reformation has satisfied the demands of building thermal comfort and function with significant energy saving effects.

以北京市某既有办公建筑的大堂为研究对象，针对北京地区的气候条件和大堂建筑的空调负荷特性，基于地板辐射供冷供暖技术的基本理论和原理，对该大堂原有的空调方式进行了节能改造，将原来的地板辐射供暖系统改为地板辐射供冷供暖系统。2009年夏季供冷工况运行结果表明，该改造方案不但可满足建筑热舒适性及使用功能要求，而且节能效果显著。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。