随机性

This paper expounds the evaluation standards for bit flow randomicity of IP message identification field. By accounting and analysing a large number of messages,it is proved that the matching position effects bit flow random metric.

本文阐述了IP报文标识字段比特流随机性的评价标准，通过对大量实测报文进行统计分析证明了比特流的匹配位置对随机测度值有一定影响。

Mining production is always influenced by the complicated environment, so it has milch randomicity and uncertainty. Therefore, computer stochastic simulation based On probability order of variables if used to estallish a dummy model and makes it Operate in the computer.

矿山生产过程受复杂的环境影响，有很大的随机性和不确定性，计算机随机模拟就是根据各变量的概率规律建立一个虚拟模型并使之在计算机上运转。

Because of the random variation of the motor thrust misalignment, it is very difficult to be measured accurately.

由于发动机工作过程中推力偏心是变化的，具有随机性，很难准确测量。

The authors studied the reliability of earthquake-resistance and shear-resistance of multistoried stone structure,by taking account of the randomness and fuzziness of earthquake intensity and the fuzzy boundaries of intensity damage scales of stone structure.

通过考虑地震烈度的随机性和模糊性，以及石结构强度破坏等级界限的模糊性来研究多层石结构抗震抗剪能力的可靠性问题。

Based on full-probability,a new solving method for probability density of natural frequency of a stochastic truss is proposed.

0引言在许多工程实际中，结构的各种物理、几何参数的随机性是客观存在的且是不能忽视的。

Aimed at the parametric randomicity of the front axle structure, the 3D precision model of front axle was established firstly in the Pro/E, and the finite element analysis was carried out on the leading-in model by the use of ANSYS. And then made the reliability analysis on the front axle by adopting the probability analytical software NESSUS of mechanical component parts and systems.

针对前桥结构参数的随机性，首先在Pro/E中建立了前桥的三维精确模型，利用ANSYS对导入模型进行有限元分析，然后采用了机械零部件和系统的概率分析软件NESSUS对前桥做可靠性分析。

Due to characteristic of complexity, dynamic time-dependence and randomicity in traffic system, drivers which are unfamiliar with city street network can produce many noneffective travels.

由于交通系统具有复杂性、动态时变性和随机性等特点，不熟悉城市道路网络的驾驶员会产生很多无效出行，不仅增加了自身的出行时间，而且容易引起交通堵塞。

It has solved the random response of nonlinear stochastic vibration system that caused by the stochastic hysteretic loop itself.

从而解决了由滞回环本身的随机性引起的非线性振动系统的随机响应问题。

In the parameter estimation of the probability of default model,nonrandom sample selection will cause sample selec- tion bias and bring biased parameter estimation.

在贷款违约概率模型的参数估计过程中，样本选择的非随机性会产生样本选择性偏差，导致参数估计有偏。

Based on fuzzy feature that the concrete crack width affects concrete structure durability, the membership function that the crack width belongs to the durability failure is established, the calculation method of fuzzy probability about structure durability failure is submitted, and classifing standard of the sturucture durability state is proposed, In accordance with the stochastic nature that cracks on concrete bridges occur and grow, and by assuming that crack occurrence obeys nonstable Poission process, predicting and evaluating methods about future crack condition and durability state of concrete bridge structures are suggested.

依混凝土裂缝宽度对混凝土结构耐久性影响的模糊特性，建立了裂缝宽度隶属耐久性失效的隶属函数，提出了结构耐久性失效的模糊概率计算方法，并建议了结构耐久性状态的划分标准；针对混凝土桥梁裂缝发生、发展的随机性，以裂缝的发生服从非稳态的泊松过程的假设为前提，提出了混凝土桥梁结构裂缝未来状况及耐久性未来状态的预测评估方法。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。