查询词典 extremal element

In the incidental light, the transition matrix element, transition probability and frequency, the selection rule, the energy level structure are discussed step by step.

讨论了光场作用下，量子点中电子的跃迁几率、跃迁频率、选择定则和能级结构，并给出了吸收系数α的解析表达式和相应的吸收曲线。

In the paper, the importance of FTA is described, the quantitative analysis method of the FTA is introduced in detail. Then the paper takes a vehicle control system as the research object, expatiates the forming of the CPU board fault tree, the establishing of the mean event fault tree and the obtaining of the mean event fault probability, and realizes the element level fault orientation on the CPU board of the vehicle control system. The test indicates that the method is both valid and correct.

文章在介绍故障树分析法重要性的基础上，较详细地介绍了FTA的定量分析法，并以某车辆控制系统为研究对象，从CPU板故障树的构建、各中间事件故障树的建立和各子事件故障概率等方面出发，实现了车辆控制系统CPU板元件级的故障定位，实验表明了该方法的有效性和正确性。

Applying the above theories and methods and using program language ofFORTRAN 95 under the compiler of Compaq Visual Fortran 6.5 successfully realizethe probability finite element method program based on ANSYS and the numericalresults show that the program is feasible and accuracy.

应用上述理论和方法，采用FORTRAN 95程序语言在Compaq Visual Fortran 6.5平台下成功实现了基于ANSYS有限元计算软件的概率有限元计算程序，并进行算例考题证明了程序的可行性和正确性。

Through the discussion on the calculating methods for failure probability of element section with the influence of one or more human errors ,a mathematic analytical formula under ideal known conditions is deduced.

通过对单个或任意多个人因差错影响下构件截面失效概率计算方法的分析讨论，推导出在理想已知条件下的数学解析求解公式；在考虑人因差错对结构参数影响程度的空间离散化后，得出了相应的简化计算方法；并以一个单筋梁的正截面为例进行了失效概率计算和人因差错影响程度分析。

Aiming at structural design influence of part physical dimension and uncertainty of exterior load, response surface and several statistic parameter analyse of bridge truss structure bending stress and deflection was proceed by means of probability design and finite element method.

针对桥梁桁架实际设计中，零件结构尺寸、外部载荷的不确定性对结构设计的影响，采用概率设计与有限元技术相结合，通过参数化建模，运用响应面法构造了近似函数，对桥梁桁架弯曲应力和挠度进行了概率设计。

Landslide hazard were assessed from the following aspects: the dynamic triggering factors, the stability of exsiting landslide, runout and potential affect area, landslide frequence and heavy accident excess probability. And element at risk mapping, vulnerability and risk were qualitative assessed based on landslide inventory as well.

从滑坡的动态诱发因素、现有滑坡的稳定性、Runout和影响范围，滑坡频率、重大诱发事件的年超越概率的角度对滑坡的危险性进行分析，并开展了基于滑坡编录的承灾体制图及易损性评价和风险的定性分析

Comparisons between the interval analysis method and the probability perturbation finite element method in mathematical proof and numerical examples are performed, which show the advantages of the presented method, including less prior information need on uncertain parameters and higher accuracy.

从数学证明和数值算例两方面，将其与概率摄动有限元法进行了比较，结果显示区间分析方法对不确定参数先验信息具有要求较少、精度较高的优点。关键词动力响应，非线性振动系统，区间分析方法，概率摄动有限元法，不确定参数

The approach identifies all possible focal elements from the incomplete decision matrix, then constructs the DS-AHPs hierarchical structure model, calculates the basic probability assignment of each focal element and the belief interval of each decision alternative.

该方法首先对决策矩阵中属性值进行识别，生成DS-AHP方法的焦元集合；然后构造DS-AHP的判断矩阵，并运用Dempster合成法则对判断值进行合成，从而确定方案排序。

Finally, based on the data got on the spot, the probability integral method and the finite element simulation were separately used to predict and analyze the collapse development tendency of the No.1203 working face of the Daliuta coal mining area.

最后，根据实测的数据资料，分别运用概率积分法和有限元数值模拟预测分析了大柳塔矿区1203工作面采空区塌陷的发展趋势。

The probability of default measure to the borrowes which has been listed as the key element in the New Basel Capital Accord's IRB,is an important aspect in the credit risk management of modern commercial bank.

对借款人进行违约概率的测算，己经被列为巴塞尔新资本协议内部评级法的关键内容，是现代商业银行信用风险管理的重要环节。

This was not understood at the time, and therefore went unaddressed, until ascension became so distorted that we chose to stop ascending and wait for a time when all records would be revealed.

这在当时没有被了解，因此进行着无改编，直到提升变得如此扭曲，我们选择去停止提升并等待所有记录能被揭示的那一天。

The attack＇s nuisance value is increased because mobile phone networks also send notifications of new voicemail by sms,so an attacked phone may stop advising of new voice messages too,it warned.

它警告：这种攻击的危害增长是因为移动电话网络也会通过短信发送新语音邮件的通知。所以受到攻击的手机可也以停止新的语音信息的提示。