机理

This thesis try to use the risk decision, Bayes formula and game theory to analyze the utility of the traffic information, and put forward the corresponding static and dynamic model.

本论文在总结国内外交通信息效用研究理论与方法的基础上，系统地对不考虑交通信息有效性反馈和考虑交通信息有效性反馈两种条件下交通信息的作用机理进行研究，尝试采用风险决策、贝叶斯推理、博弈论等理论和方法建立了相应的模型，并对影响交通信息效用的交通信息质量、交通系统稳定性、出行者的出行经验等因素进行了分析，提出了增加交通信息有效性的方法。

It not only analyses the metaphor mechanisms of AIS, but also describe the framework of immune algorithm and common immune algorithm. On the other hand the paper introduces the topological structure of Bayes network, assumption of the independence condition, the basic Bayes formula.

对人工免疫系统，不仅分析了它的仿生机理，还给出了免疫算法的基本架构，和常用的基于群体的免疫算法；对贝叶斯网络，给出了基本的贝叶斯公式，分析了贝叶斯网络的拓扑结构，和条件独立性假设。

On the contrary, their promoting influence has been testified to be apparent.

在此基础上，对汽车行业EPR系统运行的作用机理进行了实证研究。

Controlled synthesis of carbon nanotubes and assembling them into macroscopic structures are of great importance to the applications of carbon nanotubes, and a deep understanding of the growth mechanism of carbon nanotubes would be an indispensable prerequisite for well-defined synthesis in a controllable way.

碳纳米管的可控制生长，及其宏观尺度结构的制备，对于碳纳米管的应用具有重要的意义，为了实现准确的生长控制，对碳纳米管生长机理的深入了解是不可缺少的前提条件。

The study of the VE must be linked to our country's practice.

本文重点在于研究企业组织形态的变化及其内部结构和外部机理的变化。

Thirdly, surrounding rock deformation and failure process of layered rock mass in high geo-stress was reappeared through the physical models with different dip angle of rock stratum, and the stress change and failure discipline in the direction of vertical to bedding plane was definitely determined.

根据共和隧道砂质页岩的力学性质，运用相似理论，构筑不同倾角层状岩体的物理模型，研究了高应力条件下层状岩体围岩应力变化及变形破坏过程特征，确定了层状岩体在垂直于层面方向上围岩应力变化规律及破坏形态，揭示了深埋隧道层状岩体的破坏机理；物理模型实验研究得到的围岩应力变化规律及破坏特征与数值模拟分析的结果基本一致，同时也验证了横观各向同性弹塑性本构模型的正确性。

Took Chongqing Gong-he tunnel as an engineering example and studied the failure mechanism of surrounding rock and the correlation with bolt support system by using the methods of theoretical analysis, modeling test, numerical simulation and in situ test, some helpful conclusions were arrived as follows.Firstly, a new failure criterion for transversely isotropic rock mass was proposed with consideration of bedding plane orientation and major principal stress, and the corresponding algorithm, arrived through VC++6.0, can be easily embedded into the software FLAC3D for the geotechnical calculation.

论文在国家自然科学基金专项基金创新群体基金项目(No.50621403)以及国家自然科学基金重点项目"隧道与地下空间工程结构物的稳定性与可靠性(No.50334060)"的资助下，以共和隧道为示范工程，运用理论分析、物理模型实验、数值模拟和现场测试等手段，对共和隧道大埋深段层状岩体的围岩变形破坏机理、锚杆支护力学效应及围岩-支护结构的变形特征等内容进行了研究，其主要研究成果有：①在总结和探讨国内外学者提出的层状岩体经验型连续介质破坏准则基础上，结合层状岩体力学特性，考虑层面方向和最大主应力方向两个影响因素，提出了共和隧道层状岩体横观各向同性破坏准则；采用汇编语言VC++6.0实现了横观各向同性弹塑性本构关系的算法，并嵌入FLAC3D有限差分数值分析软件接口中实现数值运算。

In Chapter 2, a simplified analytical model is presented for the analysis of the BVI mechanism, adopting the Beddoes' prescribed wake model. By this model, the azimuthal location and miss-distance of the BVI and the radiation directivity of the BVI noise are calculated and discussed, and some conclusions are obtained.

在第二章，使用Beddoes预定尾迹模型，建立了一个用于旋翼桨-涡干扰特性机理分析的简化数学模型，分别对旋翼桨-涡干扰位置、桨-涡干扰距离和声辐射方向性等进行了计算和分析，得出了有意义的结果。

According to the results,the tubes behind the third lines in stream-wise direction should pay attention to anti-erosion.

为了保证设备的安全运行，减轻磨损，提高设备的抗磨性，对气固两相流体对壁面的碰撞、磨损机理的研究具有十分重

Belcher and colleagues also investigated the nature of the mechanisms that mediated the responses of the cardiac muscle cells to estrogen and BPA.

Belcher及其同事也对介导心肌细胞对雌激素和BPA反应的相关机理作了研究。

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％。