stochastic variable造句
例句与造句
- Dependent stochastic variable
相依随机变量 - A new approach to prove the expectancy formula on the sum of stochastic variables
随机多个随机变量之和的期望公式的一种新证法 - Computer simulation is known as an efficient method for dealing with stochastic variables in the inventory system
仿真被认为是处理复杂库存系统中随机变量的有效方法。 - Firstly , the article introduces the theory of system simulation and the stochastic numeral and the stochastic variable
本文首先介绍了系统模拟理论，以及产生随机数从而生成需要的随机变量的方法。 - By contrast , the paper calculated the reliability index of the abutment after changing variable quotiety of the stochastic variable
作为对比，本文还在改变各随机变量变异系数的前提下，计算了坝肩岩体各高程的可靠指标。 - It's difficult to find stochastic variable in a sentence. 用stochastic variable造句挺难的
- The theory of reliability is based on the probability . it considers the variability of all stochastic variable and use taut probability to measure
可靠度理论是建立在概率论基础上，考虑了影响滑坡体稳定的各项随机变量的变异性，并用严格的概率来度量。 - The waste load is regarded as a stochastic variable following the log - normal probability distribution based on statistical data , and the constrains on water quality levels are expressed in a probability form
假设排污量是服从对数正态分布的随机变量，并且以潮周期内水质达标的概率作为衡量控制点达标的依据。 - But as the ship structure system is very big and complicated , and there are many stochastic variables , not much progress have been made in application the structural reliability base on sfem to the ship structure
但由于船舶结构体系庞大，随机变量众多，基于随机有限元的可靠度分析在船舶结构中应用缓慢。 - Under the consideration of the uncertainty of the water environmental system , both the observed data of the river water quality and the parameters for the river water quality model are processed as the stochastic variables herein
摘要考虑到水环境系统的不确定性，把河流水质观测数据和水质模型参数都作为随机变量来处理。 - This paper is mainly concerned with the dynamic reliability of massive - head dam under earthquake . during the analyses , it considers the effect of variability 、 relevance and truncate of the stochastic variable
本文主要研究在地震作用下大头坝的动力可靠性，在计算中还考虑了随机变量的变异，相关，截尾对其可靠度的影响。 - Then combined with reliability computation , the stochastic finite element method is used to establish the relationship between the load effect ( stress or force ) and basic stochastic variable dealing with statistical features of variables
再与可靠度理论相结合，考虑变量的随机特性，通过随机有限元法建立荷载效应（如应力、内力等）与基本随机变量之间的关系。 - The equation of the structural limiting state can be expressed : z = r - s , thereinto r and s respectively are structural resistance and load response expressed with stochastic variables , we ca
结构的极限状态方程可以表示为： z = r ? s ，其中r和s分别为用随机变量表示的结构的抗力和荷载响应，通过极限状态方程就可以得出结构的失效概率，或者是用可靠指标表示的结构的可靠度。 - For the uncertain character of material function , the intensity of spray concrete and concrete lining is uncertain too . it can describe quality character better by probability model and statistic parameter of stochastic variable
由于材料性能具有不确定性，喷混凝土和二次衬砌的强度亦同样具有不确定性，一般用随机变量的概率模型和统计参数来描述，能更好地描述其质量特征。 - This paper proved that in the optimal models with stochastic variables , if the parameter estimation and the optimal solution are separated , the optimal result in practice is bound to be less than that in theory
摘要证明了在涉及随机变量的最优化模型中，如果将参数估计和最优化求解过程分离，实际得到的最优化结果必然低于理论值，即参数估计在最优化模型中总是造成低效的结果。
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