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According to poisson distribution and percolation theory, we construct stock price model, and use characteristic function to prove the convergence of this model, we can get that the characteristic function of the constructed model converge on the characteristic function of the Black-Scholes function.

根据泊松分布和渗流理论构造了股票价格的随机模型，并利用特征函数的性质论证了该模型的收敛性，得出所构造的股票价格随机模型的特征函数收敛到某一个Black-Scholes公式的特征函数的结论。

This research used two kinds of structural form model, LS-LT, KMV, and a reduced form model, Poisson and exponential distribution model.

本研究所使用的违约机率评估模型，包括了LS-LT、KMV两种结构式模型，与普瓦松─指数分配之简化模型。

Combining a new geoid model (EIGEN-GL04S) recovered from GRACE mission and the KMSS04 model, a new mean dynamic ocean topography model are estimated over the Antarctic region. The surface Antarctic Circumpolar Current field and its Polar Front and sub-Antarctic Front are derived from MDT after filtering with a wavelet denoising method.

联合基于GRACE重力卫星观测资料恢复的重力场模型(EIGEN-GL04S1)和卫星测高推求的平均海面高模型(KMSS04)来构造南极绕极流区域的平均海面动力地形，并利用小波滤波方法去掉短波及噪声信号，进而推算大、中尺度的绕极流。

It may not have the same comforting ring as "the Swedish model" or "the polder model", but when it comes to promoting entrepreneurship,"the Israeli model" is the one to emulate.

它可能跟"瑞典模式"或"波德模式"没有相同的特性，但当说到提升企业精神时，"以色列模式"才是模仿的对象。

The algorithm is proved to be convergent theoretically and implemented for numerical calculation.Thirdly, two kind problems of multi-unit system maintenance based on the discrete-state deterioration model are analyzed:To achieve the optimization aim of series system consist of two types of units with different failure mode, an opportunistic policy is presented to combine the corrective and condition-based maintenance. The optimal model based on this policy is built and an iteration algorithm based on sequential decision is proposed according to the characteristic of discrete-state deterioration model.

第三、在部件优化分析的基础上，针对基于离散状态劣化模型的多部件系统视情维修决策中的两类典型问题，提出了相应的机会维修策略和优化分析方法：(1)针对串联系统由分别采用视情维修和事后维修的两类部件组成的情况，提出了一类事后维修与视情维修相结合的机会策略，建立了相应的多部件系统维修优化模型，并根据离散状态劣化模型的特点，提出了一类基于序贯决策的求解方法。

Base on internal energy, the model for average temperature was researched in this article. Through making a proper assumption, the polynomial curve model for temperature distribution and the linear model for specific heat distribution between two nodes were developed.

本文以内能为基础建立平均温度解析模型，通过合理假设建立钢板厚度方向上的多次曲线温度模型和节点间线性比热模型，从而获得任意时刻钢板厚度方向上的平均温度。

Against varied process requirement, the thesis finished the design of model and pattern plate, introduced two types of design methods-integral type and combined type, analyzed the design methods of topping chill and postposition chill in detail on chilling. And based on the model design, finished the 3D model building of pattern plate.

介绍了整体式和组合式的两种模样设计方法，详细分析了激冷条件下，凸轮轴铸件前置、后置冷铁模与铸件模结构的设计过程，并在模样设计的基础上完成了模板的3D部分建模。

The results show that the modified GM (1, 1) has the most satisfactory accuracy, while power function model and exponent function model are moderate in accuracy and hyperbolic model is relatively worse than the aforementioned ones.

结果表明，修正的GM(1， 1)模型模拟的荷载－位移曲线精度最高，幂函数模型和指数函数模型次之，双曲线模型相对较差。

This model is provided with both the robustness of region model and the preciseness of boundary model.

这样整个模型既保持了区域模型的稳健性又保持了边界模型的准确性。

The model is given out after having studied the existing measure of secure and stable control and summarizing the lack of itThis model is based on the on-line emergency control framework of "On-line Preconceive Calculation and Real-time Matching" of EEAC and performs the effective control of system through the integration of the Whole Model Stability Quantification Analysis Software with EMS and the Area Energy Stability Control System.

这种安全稳定控制是将全模型稳定定量分析软件、电网EMS系统和区域电网稳定控制系统三者有机地结合在一起，对系统实现有效的控制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。