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According to the Capital Asset Price Model, this part set up a linear regression model with a single regressor and tested the developed countries'popular method ofβcoefficient in hedge ratio. A significant fault was observed on method ofβcoefficient of a classic text book.

该部分根据资本资产定价模型，建立了一元线性回归方程，对西方流行的β系数法进行了检验，无意间发现了经典教科书的一个理论失误。

An extra force is produced using the piecewise-constant MS model during the segmenting. In each time step, the additional force is added to reinitialize the level set function, advance the speed of the curve evolution. Otherwise, a nonlinear function Ψ is introduced to instead of u+ and u-for edge preserving in MS model.

该方法在分割过程中利用分段常数MS模型产生一种驱动力，在每个时间间隔加入这种驱动力来推动水平集函数的进化，提高曲线演化速度；另外，通过在MS模型中引入一个非线性函数Ψ代替u+和u-实现保边。

Based on filtering theory, a residual life predict model is set up according to condition information, and a general formula of parameter estimation is deduced using maximum likelihood estimation, thus, when the life distributing of an equipment is known, the model can be rapidly educed by taking the distribution into the formula is educed, and its residual life can be predicted without complex iterative process is predicted.

利用滤波理论，建立了基于状态信息的剩余寿命预测通用模型，并推导出采用极大似然估计法下参数估计的通式，使得在已知寿命服从其他任何分布形式时直接代入通式便可快速地得出其模型，从而预测其剩余寿命，省去了复杂繁琐的迭代过程。

In order to study the numerical method to solve the viscous incompressible flow with free surface, the 3-D mathematical model for steady and unsteady hydrodynamic problem had been established and closed by k-εbuoyant turbulence model. The algebraic coordinate transformation method was used to fit the free surface, the Runge-Kutta method of three step and second precision was devised to simulate the time step. A high precision up-winding compact scheme was studied for the convection term, and the generalized conjugate residual method was set to solve the Poisson equation.

为了研究粘性不可压缩三维问题的数值求解方法，本文从基本的Navier-Stokes方程出发，采用代数拟合方法处理自由表面，用三级二阶Runge-Kutta方法对时间步进过程进行了模拟，并且对对流项的高精度迎风格式进行了研究，给出了求解压力Poisson方程的广义共轭剩余法，从而建立了能够模拟有自由表面的粘性不可压缩问题的定常、非定常三维水动力学模型，并采用k—ε浮湍流模型对其进行封闭。

As the first group to engage in online sales of clothing enterprises, early in 2007 we set out innovative design entity sales, Journal of Electronic Commerce and the perfect combination of the three new business model - three-dimensional marketing business model, and National Science and Technology of the year fieldwork focused on the object.

作为国内第一批从事网上销售的服装企业，2007年初我们又创新设计出集实体销售、电子商务与杂志三者完美结合的全新商业模式--三维营销商业模式，并且成为该年国家科技部重点实地考察对象。

The innovation of our rearch:(1) A new one-dimensional sandpile model is set up, in this model avalanche probability is introduced.(2) Emulational simulation is performed with cellular automata method, and numerical analyse is carried out according the simulation result.(3) With the simulation result, We not only explained the SOC phenomena appearing in real sandpile, but also revealed a new path to SOC.

本文的创新之处在于：建立了一个含崩塌概率的一维沙堆模型；用元胞自动机的方法对模型进行了仿真模拟，并对仿真结果进行了数值分析；我们的模拟结果不仅很好地解释了真实沙堆中出现的自组织临界现象，而且揭示了一条通往自组织临界性的新途径。

Based on semi-honest model and scalar product protocol, a protocol of the bipartite set intersection was constructed, which complexity is O; another protocol of the tripartite set intersection needs O(2ntp).

在半诚实模型下，基于点积协议设计的两方集合交集协议，复杂度为O；设计的三方集合交集协议，复杂度为O(2ntp)。

Then, the skull polygon model is sampled to obtain representative scattered point set. The thin-plate spline interpolation technology is used to reconstruct it to gain surface model of titanium prosthesis.

然后，采样该三角网格模型获得代表性散乱点集，使用薄板样条插值技术重建得到钛板假体表面形状模型。

The corporation to develop from the action scilicet that establish, production and promotion new material and in lieu of iron, supersede the lumber product the material for oneself to allow, resolve the evolution that the Chinese material resource in push supersedes, supersedes the iron, lumber vocation, the amalgamation sets out from the current problem " City trap " in settle, cooperates with the science and engineering university south of R.O.C., Hubei the science and engineering university development section grinds, the year of on stream produces 50,000 high and strong and colorful manhole cover of compound material, water grate, the year produces 150,000 even meters the high and strong and colorful tree of pattern of landscape of round the trench the blind flange, low cost substitution iron no burn brick 、building block produce with the stock, the new uses the stock with the cargo, diseases of compound material road cage、 protective cage of pattern of landscape, the low cost site the photocopy to model the culture bricks, the productive capacity of the set grasses bricks, curb stone, compound calcium silicate culture stone, careful choose to anticipate, set the new formula, amalgamation can seconded client the necessity designs the build, color, pattern sign, green environmental protection, and hue saturation, the texture is delicate, the employment put together economic effects, social performance is very addicted.

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The optimum seeking model for city anti-aircraft scheme based on fuzzy countermeasures theory model is composed of strategies set and won matrix.

基于模糊对策论的城市反空袭作战方案的优选模型，主要由策略集和赢得矩阵构成。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。