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At a certain range, habitat loss and its spatial structure can benefit the control of the epidemic disease, which indicates the possibility of using human disturbance in habitat as a potential epidemic-control method in conservation.(6) Not only the quantity of habitat loss but also the spatial correlations of patch types caused by nonrandom habitat loss affect the invasion and transmission of disease. More fragmented landscape (high amount of habitat loss, low clustering of lost patches) hinders the parasitic infection, which also indicates that whether the spatial heterogeneity benefits or hinders the invasion is dependent on the considered ecological process.(7) Two components of the spatial heterogeneity (the amount and spatial autocorrelation of the lost habitat) form a trade-off in determining the host-parasite dynamics.(8) Within a certain range of habitat loss, host can counterbalance the positive and negative effects, and shows a rising tendency.(9) The epidemic is more likely to break out in the prey-predator system if only a small amount of habitat loss.(10) A highly aggregated distribution of species is a common behavioral strategy when dealing with habitat loss or other environmental stresses.(11) The parasite-host/prey-predator eco-epidemiological systems have the similar mechanism with the intraguild predation systems, and the predator acts as the intraguild predation, the infected prey acts as intraguild prey, and the susceptible prey acts as shared resource.(12) Species at the highest trophic level are no longer affected the most by habitat loss, which depend not only on the biological mechanism but also on the external environmental disturbances.

随着邻体数目的增加，病毒的感染力度变得更大而且在空间上形成聚集的波形；(5)生境破坏及其空间结构在一定范围内有利于疾病的控制，这暗示人为对生境的干扰可作为疾病控制的一个潜在方法；(6)生境破坏的数量以及不同类型生境的空间分布格局都显著地影响了寄生病毒的入侵和传播，生境破碎化程度越高(高丧失斑块的数量或低聚集程度)，将越有害于病毒的入侵和传播，这暗示了空间异质性是否有益于物种的入侵依赖于所考虑的生态过程；(7)由生境破坏引起的空间异质性的两个组分之间存在负偶联关系trade-off(8在适度的生境破坏范围内，宿主种群能够平衡生境破坏带来的正负两种效应并呈现增长趋势；(9)在捕食-食饵系统中，寄生感染病毒极有可能在生境破坏量较低时爆发；(10)物种在面临生境破坏或者其它环境压力时表现出更高的聚集分布策略；(11)寄生-宿主/食饵-捕食生态传染病系统与共位捕食食物网结构具有相似的生物机制，其中捕食者扮演共位捕食者的角色，已感染食饵作为共位食饵，易感染食饵扮作共同消耗的资源；(12)位于最高营养级水平的种群对生境破坏的响应不一定是最敏感的，这不仅依赖于内在的生物机制同时也依赖于外在的环境干扰。

It is found that the distributed microscopic traffic network simulation methods based on distributed systems require not only the careful discussions on traditional traffic flow theory, such as the driver's uncertain behaviors in selecting the route and changing lane, but also some deep researches on parallel techniques. These key techniques about how to realize parallel and distributed simulations include how to partition the large-scale road network into sub-areas, how to divide the multi-course in dynamic traffic flow operation, how to finish the informational transmission among processors, and how to realize the clock-synchronization among processors etc..

在基于分布式系统的路网交通流并行微观模拟研究中除了需要对传统的交通流理论如驾驶员路径选择、车道变换等微观不确定性行为进行仔细探讨外，还必须对道路网子网的划分方法，交通流动态运行过程中多个进程的划分方式及各进程之间消息传递、各处理器间的时钟同步方式等实现并行的关键技术问题进行深入研究。

One thing is to analysis the overvoltage due to the switches of compensating capacitorusing ATP-EMTP program, the other thing is to develop an ovevoltage monitoring system to monitorthe overvoltage at the substation. Based on a real 10kV substation model, the simulation resultsunder various operating modes indicate that the overvoltage of the capacitor is much greater whenthe 10KV bus is light-loaded or the switch is multi-reburning.

论文主要进行两方面的工作，一方面以某一10kV变电站为原型，建立了补偿电容器投切过程过电压的仿真计算模型，利用ATP-EMTP电磁暂态计算程序对多种工况下电容器上的过电压情况进行了仿真计算；另一方面设计组建变电站配网过电压测试分析系统，开展现场实际过电压的监测。

The method includes the following steps: step A, the terminal accesses, registers and loges on to IM core net through at least two different wireless IP access networks; step B, in the process for carrying a VoIP communication through at least one of two IP access networks, if the terminal meets the pre-set switching condition between the IP access network, a switching request in the IMS domain is initiated; step C, the speech calling continues application server receives the switching request, and switches the signaling between the terminal and the VCC application server to the other IP access network except the IP access network loading the VoIP communication at present in at least two IP access networks.

本发明提供一种IMS域内VoIP的切换方法、IMS系统、终端及VCC应用服务器，该方法包括：步骤A，终端通过至少两个不同的无线IP接入网接入并注册登录到IMS核心网；步骤B，在终端通过至少两个IP接入网中的一个进行VoIP通话的过程中，如果终端满足预设的IP接入网之间切换条件，则发起IMS域内的切换请求；步骤C，语音呼叫连续应用服务器接收切换请求，并将终端与VCC应用服务器之间的信令切换到至少两个IP接入网中、除当前承载VoIP通话的IP接入网之外的其中一个IP接入网上。

At last, It gives some methods to analysis the workflow net and gives some theorems.

本章还简略说明了用Petri网对工作流过程的仿真方法。

Because of its special features, whether to build the circle line or not often becomes the focus of attention and the point of controversy during the rail network planning and revision process.

针对目前国内某些城市在轨道交通线网规划及修编过程中关于是否需要设置环线这一颇具争议的问题，在广泛、翔实的数据分析和国内外相关城市案例剖析的基础上，就城市轨道交通环线的规划和应用进行了全面系统的讨论，包括环线的类型、功能、设置条件、长度与规模、设置形式等。

See not hard, the website that supports network sale needs to want to have sale function, namely the stage before the website needs to want process of sale of as politic as the business of target market 、 of the enterprise 、 to match effectively, jiang is connected so outstanding a delivered sale information, remove to go up to the website, raise the tiring-room that delivers website of; of limits He efficiency to be able to manage the look inside client He from this, run state of good client account, can provide the look inside poor dissimilation for different client, jiang pole heightens sale effect greatly can.

不难看出，支持网络营销的网站需要具有营销功能，也就是网站前台需要与企业的目标市场、业务策略、营销过程有效匹配，将原来通过人员传递的营销信息，搬迁到网站上，由此提高传递范围和效率；网站的后台能够管理客户和内容，管理好客户状态，能够为不同客户提供差异化内容，将极大提高营销效能。

Construction of public emergency immune system.The emergency management agencies system and practices of typical countries are analyzed and compared,based on which a concept of biomimetic system for emergency management is put forth.Besides,the author studies the way to realize "activation" mechanism within the public emergency immune system.(3) Procedures of pre-emergency management.

2应急管理&免疫&系统建构分析了各国应急管理的组织机构设置和实务操作，并就此作了比较研究；在此基础上提出了应急管理&仿生&系统的概念，进而研究了应急管理&免疫&系统中&激活&机制的实现问题；最后借鉴用于生物免疫模拟仿真的&细胞自动机&，构建了突发公共卫生事件演化过程的(来源：ABC28论文网www.abclunwen.com)模拟模型框架。

The man looked quite skilled technology, referred to me as if the failure is already clear in the chest, directly related to the operating system settings were adjusted, and then open the Network Properties window set, the card's operating mode modify the look, the whole process only lasted about 1 minute.

这位老兄看上去技术还挺娴熟的，对我提到的故障现象好象早已了然于胸，径直对操作系统的相关设置进行了调整，然后又打开网络属性设置窗口，把网卡的工作模式修改了一下，整个过程大约只持续了1分钟。

The article describes the People's Liberation Army 61330 units of new affordable housing projects in foundation pit of the program selection, design and construction process, micro-steel pipe pile prestressed anchor soil nail wall, composite soil nailing wall system in actual engineering China has gained a relatively good results, indicating their deep foundation pit has a large technical and economic advantages.

本文介绍了中国人民解放军61330部队驻新经济适用住房工程基坑支护的方案选择、设计和施工过程，微型钢管桩预应力锚杆土钉墙的复合土钉墙支护体系在实际工程中实践中取得了比较理想的效果，说明其在深基坑支护中具有较大的技术和经济优势。51-论文-网-欢迎您

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。