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That gives you a grounding, a centering; that gives you a feeling that you are at home.

你越有回家的感觉，你离神就越近。

This paper discusses a variation equation problem in a class of singular stochastic control with stopping time,gives its solution under two different conditions,which is a one order continuous differentiable and concave function,and gives the exact form.

讨论了一类带停时的奇异型随机控制问题中的一个变分方程问题，并且在两种不同的情况下给出了该变分方程的解，即为一阶连续可导凹函数，并在两种情况下给出了此函数的具体形式。

I'd love the slight wind,the spring wind gives me a sweet kiss,the autume wind touchs me genterly,the summer wind brings me coolish and the winter wind gives me clear-headed.

我喜欢淡淡的风。春风轻吻脸颊；秋风抚面温柔；夏天的风送来凉爽，冬天的风带来清凉。。。。

If use counterespionage to concealment,software scans, meeting discovery is in system dish below a lot of important folder, already had the virus amid breed that gives priority to with pilfer date trojan, the network belongings security that gives an user brings serious menace.

若使用反间谍隐蔽软件扫描，会发现在系统盘的许多重要文件夹下，都已有以盗号木马为主的病毒在其中孳生，给用户的网络财产安全带来严重的威胁。

The thesis can be divided into five parts as follows: First, the structural characteristics of finned-pipe evaporator are analyzed. After selecting suitable microelement controller, the heat-transfer and mass-transfer processes are analyzed for every microelement under the conditions of dryness, wetness and frostiness. Based on previous equations, some parameters of frostiness are confirmed and the frost-growing model is set up under frost condition. Some hypotheses are postulated and with the help of the equation of mass-conservation, energy-conservation and momentum-conservation, the evaporation model which fits in the dynamic simulation is built, which set a solid foundation for system simulation. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. Third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet-parameter on evaporator. Fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio-parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping.

本文的主要内容如下：1对翅片管蒸发器结构特点进行分析，选取适当的微元控制体，就干、湿和霜工况下对每个微元分别进行传热传质分析，基于经验关系式确定霜的有关参数，对于霜工况下的霜生长建立模型，经适当假设，运用质量守恒、能量守恒和动量守恒方程建立适合动态仿真的蒸发器数学模型，为系统仿真奠定基础； 2对蒸发在大扰动下的开、停机过程，运用动态集中参数模型进行分析和计算，为更好地描述制冷系统运行的全过程奠定基础，同时也为制冷系统实现自动控制提供一定的理论基础； 3对蒸发器正常运行过程，运用动态分布参数和参数间定量耦合的观点来分析和计算，为更好地了解稳态工况下各点参数的变化情况及各入口参数对蒸发器动态特性的影响即蒸发器性能对各参数变化的敏感性； 4编写翅片管蒸发器动态特性仿真计算程序，可以计算不同边界条件和初始条件下的制冷剂热力参数、空气温湿度和霜厚度分布场，实现对翅片管蒸发器在干、湿和霜工况下的动态仿真。

Magniticently great country gives me a degage mood,boundless space gives me an unfixed nerve.

泱泱大国给了我一种从容的心态，茫茫空间给了我一副放松的神经。

According to the actual demand, the electrical bill drafts gives management system management system this project to use modular the design thought, in Windows under the XP operating system environment, builds ASP movement environment IIS6.0, through uses the VB Script language dynamically to complete, the interactive web server application procedure, the realization electrical bill drafts gives the management system management system the main function.

根据实际需求，电费征缴管理系统这个项目采用模块化的设计思想，在XP操作系统环境下，搭建ASP运行环境IIS6.0，通过使用脚本语言完成动态的、交互的web服务器应用程序，实现电费征缴管理系统的主要功能。

The formula that gives the components is the account of the matter, and the formula that gives the differentia is the account of the form.

规定组成成分的规则是对质料的说明，规定类别的规则是对形式的说明。

It transforms the solving of the domain of attraction into an iterative optimization problem and gives algorithm for this solution. It also gives the tuning algorithm for achieving desired domain of attraction.

将吸引域的求解化为迭代求解的优化问题，给出了求解算法和满足给定吸引域要求的控制器的调整方法。

You are my adversary, but you are not my enemy. For your resistance gives me strangth, your will gives me courage, your spirit ennoble me.

你是我的对手，但你不是我的敌人，因为你的竞争给我力量，你的毅力给了我勇气，你的精神使我崇高。

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。