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As an ideal prime immunization vaccine,the DNA vaccine has the advantages of high purity,continuous expression of antigens with low dose, repeatable immunization and inducement of memory CTL with high titer.Similarly, recombinant virus can not only highly express the target antigen,simulate the inducement process of virus infection on body immunity,and induce various cytokines,but also be beneficial to the interaction of high-affinity antibodies with T cell receptors,and the generation of Th1 reaction and CTL reaction.

DNA疫苗抗原纯度高，持续表达低剂量的抗原，可多次重复免疫以及诱导高效价记忆性细胞毒性T淋巴细胞反应，是理想的用于初次免疫的疫苗；重组病毒能高效表达目的抗原，模拟病毒感染诱导机体免疫的天然过程，能诱发多种细胞因子，而且有利于高亲和性抗体和T细胞受体的选择，可以有效地产生Th1型和CTL反应。

To get knowledge on Kuroshio large scale circulation and how the Kuroshio affects adjcent area climate, a three-dimension primitive equation ocean model MITgcm was used to simulate the kuroshio＇s climatological pattern.

为了掌握黑潮的大范围流动结构以及它对气候的影响，利用三维原始方程模式MITgcm计算了西北太平洋海区的多年平均流态。

A 5-layer numerical model with p-σ incorporated coordinate system and primitive equation is used to simulate the effects of convergence flow anomaly over the Northeast Pacific on the subtropical high over the West Pacific ocean.

1 引言西太平洋副热带高压是东亚季风系统的重要成员之一。夏季我国东南部地区旱涝天气的出现往往和西太副高的异常进退密切相关。

The soil static and dynamic universal triaxial and torsional shear apparatus which can simulate the cyclic stress characteristic of sand on seabed is used to perform experimental tests of loose carbonate sand s with a relative density of 30% subjected to vertical-and-torsional coupling cyclic shear with the rotation of principal stress axes induced by ocean wave.

利用土工静力-动力液压三轴-扭剪多功能剪切仪模拟海洋波浪的加载形式，对相对密度为30%的钙质砂进行了扭转和竖向耦合循环剪切试验，着重研究了复杂应力状态下初始主应力方向角α0和中主应力系数b对钙质砂动强度特性的影响。

The established models in which annual precipitation was incorporated as the principal variable indicate a very closely correlation between forest productivity and its corresponding climatic factors,allowing to simulate distribution pattern of actual forest productivity effectiv...

结果表明：在所构建的模型中，除海拔高度与净生产力的相关模型外，其它模型均有较高的实用价值，模型的拟合曲线变化，基本反映了中国森林现实生产力的地理分布格局；中国森林生产力的分布格局主要取决于气候环境中的水热条件，水分条件是决定中国大部分地区森林生产力水平和地理分布格局的主导因素；根据7个GCMs大气环流模型预测合成的2030年的气候情景，研究气候变化对中国森林生产力影响的结果是：气候变化并没有改变中国森林第一性生产力的地理分布格局，即从东南向西北森林生产力递减趋势不变，但不同地域的森林生产力有不同程度的增加。

The effect and principle of equilibrium reactor in rectifying circuit was analyzed. The simulation model of 12-pulse transformation rectifier with equilibrium reactor was built using PSB, which is a toolbox of MATLAB. The model was used to simulate aircraft electrical power system.

详细分析了均衡电抗器在12脉波整流电路中的作用和工作原理，利用MATLAB软件提供的工具箱PSB建立了带均衡电抗器的12脉波变压整流器的仿真模型，用该模型对飞机电源系统进行了仿真。

More than 300 prismoid concrete specimens with calcareous aggregate were made. Three factors, temperature in fire, standing time and cooling type and cure methods after cool, were considered to simulate possible appearance in fire and after fire.

设计制作了300余个钙质骨料混凝土棱柱体试件，为了模拟火灾时及火灾后可能出现的情况，分别考虑了不同的火灾受火温度、静置时间和冷却及冷却后的养护方式三种影响因素，根据试验目的的不同，设计了多种试验方案。

More than 300 prismoid concrete specimens with calcareous aggregate were made. Three factors, temperature in fire, standing time and cooling type and cure methods after cool, were considered to simulate possible appearance in fire and after fire. Many test schemes were planned for different purposes.

设计制作了300余个钙质骨料混凝土棱柱体试件，为了模拟火灾时及火灾后可能出现的情况，分别考虑了不同的火灾受火温度、静置时间和冷却及冷却后的养护方式三种影响因素，根据试验目的的不同，设计了多种试验方案。

The results indicated:（1）the combination of the Markov and spatial logistic models can improve the predictability of each model individually. In macroscopic scale, the total land use amount can be predicted via Markov chain; in microscopic scale, the multi-class multinomial logistic model can be used to implement the combined calculations of categorical variable and continuous variable, qualitative variable and quantitative variable to improve the precision of spatial regression. Meanwhile, the transition probability of each land use unit will be confirmed and the prediction of land use spatial distribution will also be completed.（2）the application system developed in accordance with the integrated model can effectively simulate and predict the land use evolution in Shenzhen City, and the prediction precision of verification system will suffice for recent land use monitoring and the making of annual land supply planning.

研究结果：（1）空间Logistic和Markov模型集成可提升单一模型的应用能力，宏观上利用Markov Chain进行土地利用规模总量预测，微观上利用多分类Multinomial Logistic模型解决分类变量与连续变量，定性变量和定量变量的联合解算提高空间回归精度，同时可以确定每一个土地利用单元转移概率，实现土地利用空间分布的预测；（2）基于集成模型开发出的应用系统能够有效仿真和预测深圳市土地利用演化，通过验证系统预测精度能够满足近期土地利用预警和年度土地供应计划编制。

On this basis, we use numerical value to simulate the waterpower parameter of the PDC Bit, we use Visual C++ plait the PDC Bits waterpower parameter calculation program.

在此基础上对PDC钻头的水力参数进行了数值模拟，用Visual C++编制了PDC钻头的水力参数计算程序。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。