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The theory and methods of ship's hydrodynamic pressure field are also studied, including halfrotator model and shallow-water inferior-critical model.

深入研究了水压场建模的理论和方法，包括回转体模型和浅水亚临界模型，用实测数据对回转体模型和浅水亚临界模型进行验模，为不同条件下选择水压场模型提供了一定的理论依据，并在实测数据的基础上对模型进行了修正。

Base on the theory analysis, if the plate exit gauges are calculated by the same spring model, the influence of the model zero deviation on rolling force self-learn can be ignored.

分析弹跳方程零点漂移对轧制力模型自学习的影响，得知如果轧件出口厚度的计算全部采用弹跳方程计算值，则弹跳方程零点漂移对轧制力模型的自学习基本没有影响。

On the basis of the system of signal control theory at cross roundabout, the optimization of control method based on the dissymmetry of roundabout at coordinated control system is put forward. This new method takes the equilibrium of saturation-degree as a target and optimizes the phase model and the green ratio model.

在已建立的十字环形交叉口信号控制理论的基础上，通过分析十字环形交叉口的车辆运行特征，提出基于非对称性的优化控制理论，同时建立非对称控制相位确定方法、非对称绿灯时间模型以及优化绿灯时间的计算方法。

By applying the sinusoidal wave mode to simulate the rugged surface of bridge deck,accounting for vehicle-bridge interaction and using Euler-Bernoulli beam theory, a coupling vibration model of vehicle-bridge system was developed. The model was solved by mode analyzing method and Runge-Kutta method, and the dynamic response and the resonance curve of the bridge were obtained. It is found that there are two resonance regions, one represents the main resonance while the other the minor resonance, in the reson...

通过用正弦波形模拟桥面的不平和考虑移动车辆-桥梁间的相互作用，在Euler＿Bernoulli梁理论的基础上建立了一种车桥系统的耦合振动模型·利用模态分析法和Runge＿Kutta法对模型进行数值求解，获得了车桥系统耦合振动的动态响应和共振曲线·发现车桥耦合振动的共振曲线中存在两个共振区域，一个反映主共振而另一个反映次共振·讨论了桥面不平、桥梁振型和车辆间的相互作用对系统振动的影响·数值结果表明，这些参数对系统振动的影响很大，桥面不平和振型对车桥系统耦合振动的影响不能忽略，设计车速应该远离临界车速

Based on the analysis upon stochastic dynamic characteristics in waste collection and transportation process,a method for equipment allocation on the basis of queuing theory is proposed.With the introduction of the M/M/S queuing model,a cost model of queuing system in transfer stations was formulated,which alloc...

结果表明，与传统静态方法相比，采用排队论方法进行转运站设备配置，垃圾转运站系统的总费用可降低7.5%，垃圾收集车辆的平均逗留时间系数由0.16降为0.1，车辆排队长度系数由4.47降低为2.71，转运系统具有更好的经济性和抗风险能力，达到优化配置的目的。

Fractal theory is used to the interpolating method of DEM model to improve the accuracy of DEM model.

分析DEM模型插值的特点，把分形理论应用于DEM模型的插值方法中，提高DEM模型的精度。

Through the data provided by regular wave model experiment, a dynamicanalysis model and the corresponding numerical analysis method are checked andproved to be reliable which will provide theory instruction to dynamic design methodof breakwaters.

通过实验室提供的规则波模型实验数据对论文中使用的动力分析模型和数值模拟方法进行验证，证明了动力模型及相关理论的可靠性，为实际工程的初步设计提供了理论基础。

The correctness, the effectiveness and the utility of the theory and method, espacilly the numerical modelling with the help of computer, depend on the geology structural model and it's physical model.

理论和方法的研究，尤其是借助于计算机进行数值模拟，其正确性、有效性和实用性决定于地质模型和物理模型的建立。

The purpose of this paper is to extract the coupling matrix of generalized chebyshev filter, model the four-port rectangular junctions, multiple-stepped rectangular waveguide bend and T-septum rectangular waveguide junction by full-wave methods and design generalized chebyshev filters and diplexers. The main works are as follows: 1. Systematically research on the theory of generalized chebyshev filters The generalized chebyshev filters are based on the all-coupled model.

本文主要目的是研究广义切比雪夫滤波器拓扑结构、物理结构上可实现的耦合矩阵提取及其特性分析和基于模式匹配法全波建模四口矩形结、多阶梯矩形波导弯头、T—scptum矩形波导接头，最后，设计了一系列高性能的滤波器和双工器。

A maneuvering mathematical model for Controllable-Pitch Propeller ships with three degrees of freedom is established according to separate modeling theory. Based on Netherlands Ship Model Basin\'s open-water tests, CPP thrust coefficients and torque coefficients in four-quadrant with different pitch ratio of screw and different types of CPP are obtained by using Akima interpolation. Therefore, CPP thrusts and torques are obtained.

基于船舶操纵性分离建模理论，采用荷兰船模试验水池B系列螺旋桨的敞水试验结果，利用Akima插值获得了不同类型的调距桨在不同螺距比下的四象限推力系数和扭矩系数，求得调距桨的推力和扭矩，建立了调距桨船舶的平面运动数学模型。

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％。