二阶矩的英文

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英文翻译
造句

second moment
secondary moment
secondarymoment

二阶 second order
矩 carpenter's square; square r ...
二阶矩范数 second moment norm
二阶矩量 second moment
二阶矩准则 second-moment criterion
任意指定位置的中心矩和二阶矩 central and ordinary moments of any order location: x, y
二阶 [数学] second order
k阶矩 k th moment
阶矩阵 n-matrix
零阶矩 zeroth moment
三阶矩 third moment
一阶矩 first moment
附加一阶矩 additional first moment
高阶矩量 high-order moment
三阶矩量 third moment
四阶矩量 fourth moment
一阶矩矩阵 first-moment matrix
一阶矩量 first moment
一阶矩；一级动差 first moment
二阶的 divalent
二阶段 two-stage
二阶法 second-order method
二阶基 divalent radical
二阶铃 second order fluid
二阶酸 diatomic acid; dihydric acid

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例句与用法

Based on the approach of turning some of the relevant extreme - value - type and logarithmic normal distribution variables into independent and normal random variables , the shear - slipping failure probability of a high arch dam is worked out to be of the order of magnitude of 10 ^ ( - 5 ) by means of second - order moment method
在将部分相关的极值型与对数正态分布随机变量转换为独立、正态随机变量的基础上，利用二阶矩法计算得到某高拱坝的剪滑失效概率为10 ^ ( - 5 )量级。
In arbitrary curvilinear coordinates , the wall function is used for treating near wall regions . the influences of two different inlet gas parameter distributions and turbulent combustion models , as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated . comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows , inlet gas parameter distributions is more important . calculation method is reliable and can be used for the optimum design of afterburner
数值研究三种不同几何形状、两种进口气流参数分布、两种紊流燃烧模型等对加力室内各气流参数、隔热屏和加力室筒体壁面温度分布的影响,计算结果与试验数据比较表明:不同几何形状加力室对加力室内紊流燃烧流场的影响要比进口气流参数分布大些,正确给定进口气流参数分布较为重要,二阶矩紊流燃烧模型更适用摸拟三维紊流燃烧流动,计算方法合理,编制的计算程序可靠,可供加力燃烧室优化设计用。
The evaluation method of element in state transition matrix is given when the wrong order of data packet is considered . considering the wrong order of data packets , the mathematic model of networked control systems with long time delay is developed . the sufficient and necessary conditions for stochastic stability of such networked control systems with long time delay are given
分析了长时延网络控制系统的二阶矩稳定性和随机稳定性；针对网络传输中的数据包的时序错乱问题，提出了第二缓冲器的方法；分析了网络诱导时延的markov特性，并给出了时延markov链的状态转移矩阵中元素的求取方法；建立了存在数据包时序错乱时长时延ncs的数学模型，并给出了对应的长时延ncs随机稳定的充分必要条件。
Based on the study for the methods of structural reliability analysis , including monte carlo method , response surface method and stochastic finite element method , response surface method ( rsm ) is selected . based on the random analysis of aqueduct ' s frequent actions and resistances , by rsm method together with the fem method and form method , the reliabilities of its primary poles can be analyzed and the reliability of the structure be reached
利用此方法，在对渡槽常遇荷载的不确定性分析和抗力不确定性分析的基础上，结合结构分析的确定性有限元法( fem )及可靠度计算的一次二阶矩法( form ) ，对桁架拱结构主要受力状态构件进行了可靠度分析，从而对结构的可靠性进行了评价。
Based on the calculation of shearing - slipping failure probability of high arch dams , the calculation method and procedures are presented by use of the second moment method for calculation of the occurrence probability of the major failure modes of high arch dams , and the relation degree between the major failure modes and the failure probability with multi - failure modes of the high arch dam are calculated
以计算高拱坝剪滑溃坝发生概率为例，说明利用二阶矩法计算高拱坝各主要失效模式发生概率的步骤，进而求解各失效模式的相关程度及具有多个失效模式高拱坝的失效概率。
Finally to remove the disadvantages above - melltioned , this paper preseats the op - timization model of calculating the structural reliability index , b , under related normal random varables . applying the - knowledge of optiwhation programming , the author presented three methods to calculate the index , g . several exainples are given to prove the validity of those thiee algorithms
第三章，针对一次二阶矩法的弱点，提出了在随机变量相关的情形下计算结构可靠指标的优化模型，结合最优化理论知识提出了三种计算的算法，并给出了相应的算例。
In regard to nonlinear stochastic optimization in which the restraint function was nonlinearly expressed with stochastic parameters , the advanced first - order second - moment method was employed to study the structural optimization numerical model based on component reliability or failure pattern reliability and the method to transform the problem of stochastic optimization to that of certain determinate optimization
摘要针对约束函数被随机参数非线性表达的随机非线性优化问题，采用改进均值一次二阶矩法，研究基于元件可靠度或各失效模式可靠度的结构优化的数学模型，以及将随机优化问题化为确定性优化问题的方法。
Basic index and reliability principle of steel structure , and geometric significance are analyzed . the main computation methods , such as two order moment method , separation function and separation item coefficient , linear separation , and central point , check point , monte - carlo are presented . reliability analysis under relative variable , boundary determination ( single and double boundaries ) is analyzed
研究了钢结构可靠度基本原理、可靠指标的几何意义，分析了钢结构可靠度计算的一次二阶矩方法、分离函数和分项系数法、线性分离法，以及中心点法、验算点法、蒙特卡罗( monte - carlo )法，提出了变量相关情况下的结构可靠度分析方法、可靠度界限分析方法(单侧界限与双侧界限) ，基于极值分布的可靠度分析，并对钢结构动力可靠度分析方法进行了初步探讨。
Moreover , the special expression of the moment , the second moment and variance with de moivre ' s death rate were given . finally , considering abrupt event ' s effect on interest , we established the models of the random rate of interest jointly by gauss process and poisson process , wiener process and poisson process or o - u process and poisson process , also gave the moment , the second moment and variance of the payable present value under the three cases . moreover giving the special expression of the moment , the second moment and variance with de moivre ' s death rate
对于连续型情况，随机利率分别采用gauss过程、 wiener过程和o - u过程建模，分别给出了给付现值的一、二阶矩和方差，并在demoivre死亡律假设下得到了矩的简洁表达式；考虑到突发事件对利率的影响，又对随机利率采用gauss过程、 wiener过程和o - u过程分别与poisson过程联合建模，分别给出了给付现值的一、二阶矩和方差，并在demoivre死亡律假设下得到了矩的简洁表达式。
5 the post monte carlo method was used to solve the reliability problem with great amount of calculation . this method can satisfy with the precision of reliability analysis , which was feasible in engineering . 6 a feasible way to calculate reliability was obtained , and this method can improve the reliability accuracy
通过对结构功能函数进行泰勒展开至二次非线形项，并结合工程应用原理，得到一种可行的可靠度实用计算方法，此法无须迭代，从而大大减少计算量，且具有比传统的一次二阶矩法更高的精度。