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Based on rail/wheel reaction and track/bride reaction theory and systems engineering theory, new vehicle-track and vehicle-track-bridge system dynamic models are established and discussed in details, including ballast track model and ballastless track model. The characteristics of the models are:(1) vehicle-track and vehicle-track-bridge system dynamic models are coupled in vertical and lateral;(2) track vibration on bridge is taken in account, track on bridge is considered as one or two layer continuous-point supported rail model, according to actual track structure, interaction between vehicle and bridge transfer from track structure;(3) three type of ballastless track models (tieembanked, elastic-tie-block, slab track) are presented;(4) models reflect the main feature of actual vehicle, track and bridge structure, the response computation frequency of models is relatively broad, which can be applied to analyze both low frequency and high frequency vibration.

基于轮轨相互作用和线桥相互作用特点，本文从系统工程角度出发建立了车辆、有碴轨道和无碴轨道、简支箱梁桥垂向和横向耦合系统动力分析模型，该系统模型具有以下特点：（1）车线、车线桥体系均考虑为垂向、横向耦合振动系统，车线间通过轮轨接触几何关系耦合，轨道与桥梁间通过轨道与梁体间的力与位移协调条件耦合；（2）充分考虑桥上线路在车线桥系统中参振作用，根据桥上线路轨道结构特点将桥上轨道结构模型具体化，即对桥上轨道结构视为多层支承体系，车桥间的动力作用通过轨道结构来传递；（3）建立了三种形式无碴轨道动力分析模型，即长轨枕埋入式、弹性支承块式和轨道板式无碴轨道模型；（4）系统模型详细，分析频带宽，适用范围较广。

Learning from the foreign production technologies, based on the combination of China's actual situation and their own actual experience, a bold improvement, bold innovation, the failure of thousands of times, ups and downs of the setbacks, the ultimate success of our push to promote the country brick block the forefront of machine industry.

在吸取国外生产技术的基础上，结合我国实际情况和自身的实战经验，大胆改进，大胆创新，千百次的失败、风风雨雨的挫折，最终把我们推向成功，推进到全国砌块砖机行业的前列。

Nominal Clearance is the actual space width of an internal spline minus the actual tooth thickness of the mating external spline.

理论侧隙：理论侧隙是内花键的实际齿槽宽减去与之相互配合的外花键的实际齿厚所得的值。

First, 3 dimensional numerical simulation of the powered coal combustion in rotary kiln was made under the 27 setting states by Fluent software, and the simulation results were constructed into a database; then, decide which class the actual state belongs to through pattern recognitions, get the simulation result of this class from database and build the mathematical model between the simulation result and input parameter, resolve the model and calculate the actual simulation result; at last, achieve the graphical simulation result by image process.

应用Fluent商业软件对回转窑内粉煤在27类设定工况的燃烧进行温度场的三维数值模拟，将仿真结果构建仿真结果数据库；采用模式聚类的方法判断实际工况属于哪一类标准工况，调用仿真结果数据库建立温度与该类标准工况的数学模型，求解模型并计算实际工况下的温度场；利用图像处理中的伪彩色变换得到二次仿真结果，用VC++6.0来实现。

In addition, the color of different mesh point ratio in the actual business card printing and membership card-making, there may be a 8%-20% of the dot gain, and so on, which puts the actual business card printing and membership card made color darker, that is the color of the dot.

不兴此以内，差别网不背比率的颜色在本质制卡和会员卡制息洋，还活命着8％-20％的网不背增不小等题纲，这又使得本质制卡和会员卡制息不入来的颜色更暗，即颜色的网不背百分比更高。

For many years, with our rich advertisement profession actual combat experience, widespread brand service experience, unique accurate advertisement creativity and performance, actual effective project design and execution, we provide high standard, professional and feasible integrated marketing service for each kind of domestic and foreign enterprise customer, help our customers establish a lasting distinctive brand image,win market position, improve the comprehensive competitiveness of enterprises.

多年来我们凭借丰富的广告行业实战经验、广泛的品牌服务经历、独到精准的广告创意及表现、实效的项目设计与执行，为国内外各类企业客户提供高水准、专业化和可操作性的综合性市场服务，帮助客户树立鲜明持久的品牌形象和市场地位，全方位提高竞争实力。赢得了众多国内外企业的认同与赞赏。

Being decided by emotions and ardors instead of being guided by reason due to the weakness of human soul its own, therefore it is passive and is controlled by outside factors, but since the basic dharma of things is "the effort to ensure its actual essential existence", therefore the existing human soul is not entirely actual, viz.

人心因为自身的软弱无力而不能受理性的指导却为情欲所支配，因而人心是被动的。

Combining the actual rockburst status after excavation, based on the previous research data in the earlier stage, the character of the tectonic stress in Cangling Tunnel is studied. Finite element method is adopted to simulate the site excavation steps. At the same time, the tectonic stress is changed on the boundary of the model to simulate the actual rockburst areas; and the most proximal area's value is adopted to decide the section tectonic stress. Then, other sections' values are revised.

从苍岭隧道的构造应力场特征入手，结合现场开挖后岩爆实际发生状况，在前期研究资料的基础上，利用有限元计算分析，模拟现场实际施工步骤的同时不断改变模型边界上的构造应力来拟合实际岩爆区，以最接近实际破坏范围的计算结果界定区段构造应力值，据此对隧道各区段的构造应力进行修正。

The thesis selected model in according to the phases of electrical trade, detruded academic price formula, gained academic price of electric power industry, and then analyzed actual investment value of electric power industry in according to comparing academic price and actual price of electric power industry.

由文章中分析的电力行业所处的周期选择模型，然后根据所选模型推导出电力行业股票理论价格和合理市盈率的公式，把已知数据带入公式求解，得到电力行业的理论价格和合理市盈率，最后，用电力行业的理论价格和合理市盈率与实际价格和实际市盈率比较，分析电力行业实际的投资价值。

The formes must be subordinated to the latter. The national united front policy to the regional actual strengths of KMT party made an important rule, because it was that that pushed forward the KMT party resisting against Japan after the: 9. 18"Incident". Mean while, the policy made many regional actual strengths insist on their resistance, which in a catain way, restricted JiangJieshi's action of compromising with Japan and opposing the C.

九一八事变后，这一统一战线在推动南京走向抗日方面发挥了重要作用，全民族抗战开始后，这一统一战线又使多数地方实力派坚持抗战，在一定程度上抑制了蒋介石集团的对日妥协和反共行动的恶性发展；抗战胜利后，这一统一战线加速了新民主主义革命在全国胜利的历史进程。

Consequently, many characteristics of the Russian Revolution were lacking to Chinese villages.

所以俄国革命的许多特点在中国农村甚为罕见。

After transformation into E. coli JA221, recombinant scu--PA was expressed by IPTG induction under the trc promotor.

在trc启动子作用下，经IPTG诱导，尿激酶原得以表达，但表达水平很低。