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The static natural frequencies and dynamic frequencies (under 3000rpm) are calculated by the finite element method and cyclic symmetry technique. The rotating vibration behaviors of the two models are compared. Different vibration characteristics between the two models are discussed. Geometry mismatch in a turbine blade root, which arose in manufacturing process or caused by wearing out during service, leads to contact conditions changed in fir-tree attachments. As a result, shifting of the fundamental frequencies and redistribution of stress in the blade base possibly cause failure of the blade.

在叶片—轮盘耦合系统振动研究方面，建立了带围带的叶片振动计算模型和带围带的叶片—轮盘耦合系统振动计算模型，考虑旋转离心力作用，采用波传播技术，对两种模型分别进行了整圈模态分析，得到了某汽轮机叶片模型和叶片—轮盘耦合模型在0转速和工作转速(3000rpm)下的振动模态，并对所得结果进行分析比较，讨论了整圈叶片振动模态与叶片—轮盘耦合振动模态的区别。

The principle and benefits in distributed interactive simulation of dead reckoning algorithm has been analysed , its basic models and some interpolation integral models are discussed and point the main direction in researching this algorithm is pointed out.

对预估算法的基本思想及其在分布交互仿真中的作用进行了分析；探讨了该算法的基本模型和插值积分模型；并指出研究该算法的主要方向。

The mesh simplification algorithm can not only decimate the number of triangles of models but also keep the topology of models.

因此，需要删除那些对模型影响不大的三角形，保留那些能反映模型几何特征的三角形。

According to this theory, the origin of return voltage in oil-paper insulation system is analyzed. Then two equivalent extended Debye models, a simplified one as well as a complicated one, are established. Based on the dielectric polarization theories, the parameters in the Debye models are analyzed, and its influence to the curve of return voltage are also discussed.

本文首先从极化过程的基本原理出发，给出了回复电压法的理论基础，并由此分析油浸式电力变压器出现回复电压的原因；然后建立了两种等效扩展德拜模型，结合介质极化理论分析了模型中电路参数的意义，并讨论了各参数变化对回复电压曲线的影响。

Therefore, this paper puts the angle of view on the innovation process of the financial product and its diffuse, then analyzes and adjudicates the financial product innovations' fist-mover advantages models and other innovation diffuse models in detail, the purpose of that is to indicate the financial angle of view of product innovation is also a dynamic process of development, adoption and diffuseness, among them, the competitors are interactive, this characteristic works with decisive influence on the innovation process of the financial product.

因此，本文将视角转向了更为微观的金融产品创新过程及其扩散，详尽分析并评判了金融产品创新的先动优势模型及其他创新扩散模型，目的在于说明金融学视角下的产品创新也是一个发展、采纳和扩散的动态过程，其中竞争者之间是互动的，这一特征对金融产品的创新过程起着关键性影响。

It describes the digital models of speech, endpoint detection, feature extraction in the process of speech recognition, and chooses the arithmatics and models of the application system.

对语音识别过程中的语音数字模型、语音的端点检测和语音特征提取等过程进行介绍，并确立本系统中所采用的算法和模型。

Is an important method to digitize the automotive body models or other models.

车身逆向工程技术是将汽车模型等实物模型数字化的重要方法。

The main objective of this dissertation was to develop methodologies with capability of engineering application for simulating flow in fractured rock using discontinuum models. The study work includes three parts. In the first part, numerical methodology of three-dimensional discrete fracture network model casing on hybrid BEM-channel was presented, and the technique for improve the model's computing efficiency was also studied. Firstly in this part, computer simulation methodology based on the Baechermodel for generating network of discrete fractures was presented, which includes the follow details: probability distributions of fracture density,orientation, trace length, size, and aperture and estimation of their statistical parameters; stochastic models of fracture network; Monte-Carlo's simulation method; numerical simulation procedure and technicality.

给出了离散裂隙网络模型所依据的基本假定；发展了基于Baecher模型的离散裂隙网络计算机随机生成技术：详细地推导了单裂隙渗流和多裂隙相交网络渗流的边界单元法公式，发展了离散裂隙网络中稳态渗流的边界元数值技术，并且讨论了相关的具体数值技术细节，如角点的处理方法，单元的自动剖分等：描述了混合边界元—管流模拟方法及其数值实现；研究了裂隙网络的简化方法，并针对裂隙网络边界元法的特点提出了一种改进的分块三角分解法。

Based on the review on the gas-particle two-phase models, the merits and drawbacks of various models were compared and analyzed. According to the characteristics of swirl-flow melting furnace, suitable gas turbulence model, gas-particle two-phase flow model and discrete phase model were chosen.

本文在总结气固两相流计算模型的基础上，结合旋风熔融炉内气固两相流的特点，分析对比了各类模型的优缺点，选择了适合于本文所研究的旋风熔融炉的气相湍流模型、气固两相流模型以及颗粒相的运动轨迹模型，并对旋风熔融炉内颗粒的受力进行了分析。

According to analysis of simulation models, we divide system models into continuous state model and discrete state model two types.

算法的复杂度为O(nm~2)，可以广泛应用于系统的实时和容错调度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。