可靠性概率

The contact modal of turbine disk and blade rabbet is made aiming at the high reliability. The 3D heat-structure coupling modal is computed by ANSYS and the dangerous position is confirmed. The 15 scattering point of strain breadth is computed by APDL language of center-composition in probability design mold. The teacher signal is intervened referring to the points.

针对航空发动机涡轮盘榫接触部位在寿命期内高可靠性的要求，建立某涡轮盘榫接触模型，用ANSYS计算其热、结构耦合的三维弹塑性模型的应力应变并确定危险部位，然后用APDL语言在概率设计模块中采用中心组合法计算15个应变幅分布的离散点值，对这些点进行插值得到人工神经网络的目标函数。

The limitations of probabilistic reliability of cylindrical spiral spring fatigue strengthen is indicated due to the lack of the original data.

指出在数据信息缺乏的情况下，圆柱螺旋弹簧疲劳强度概率可靠性分析方法的缺陷。

To ensure the reliability to these materials, use must be made of the probability statistical method.

要保证这些材料的使用可靠性，概率统计的方法是不可缺少的工具。

Statistical dependence and stochastic comparisons have been proven to be very useful in applied probability, statistics, reliability, operations research, and other fields.

统计相依与随机比较在应用概率、统计学、可靠性理论、运筹学等其它的领域有着广泛的应用。

After confirming the failure models of the structure and the probability distributing of the stochastic variable, we could use Monte Carlo Method and Response Surface Method doing reliability analysis of the bridge.

在确定结构的失效模式和随机变量的概率分布后，分别采用蒙特卡罗法和响应面法对桥梁进行可靠性分析，比较两种计算方法的计算结果，表明两者比较接近，都取得较好的计算效果。

Parameters of rock and soil is very important for stochastic reliability analysis in rock and soil engineering.

岩土参数的概率密度函数在岩土工程可靠性的分析中有很重要的作用。

The probability of failure of uncertain structures with stochastically varying properties subjected to dynamic random loads is studied.

对受有动态随机载荷的含有随机参数的不确定结构的失败概率或可靠度进行了研究，使之在工程实际中固有的结构参数的不确定性以及其对结构响应和可靠性的影响进行了评价。

On the basis of structural reliability, a evaluating model for existing engineering structures is proposed, two methods to determine the important coefficient of the model are studied, that are a determining method based on subjective probability and another determining method of relative weight based on AHP.

文中提出了基于可靠度的在役工程结构可靠性评估模型，研究了其中重要性系数的两种确定方法，即基于主观概率的确定方法和基于层次分析法的相对权重的确定方法。

Reliability evaluation methods are given in this paper on fatigue life of machine parts under uniaxial constant amplitude load.

众所周知，疲劳可靠性设计是应用概率统计理论进行零件抗疲劳设计的方法。

For this purpose, the safety state of the structure is regarded as a fuzzy set in the universe of discourse of the structural state, i.e. the safety event is considered as a fuzzy event and the mathematics model of the fuzzy event probability is adopted to be a unified model of the structural reliability analysis.

为此，本文将结构的安全状态看作是结构状态论域中的一个模糊集合，即认为安全事件为一模糊事件，采用模糊事件概率的数学模型作为结构可靠性分析的统一模型。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。