查询词典 stochastic

AbstractThe wind velocity is the sole important meteorological factor in the formula calculating wind energy,it is a stochastic variable.

风速是风能计算中十分重要的气象因子，它是一随机变量。

Many factors affect the dam's safety. SFEM was used to calculate the probability sensitivity to determined the base stochastic variable.

影响拱坝安全的因素很多，利用随机有限元法对拱坝结构进行了敏感性分析，选出了基本随机变量。

In the text, major stochastic variable s such as f ,c and a and the upstream and downstream water levels that influence the dependability in analysis are discussed.

讨论了影响可靠度分析的主要随机变量如f＇、C＇、α及坝上下游水位等，并给出了《水工统标》的统计参数。

In contrast, non-equilibrium rangeland systems are thought to be driven primarily by stochastic abiotic factors, notably variable rainfall, which result in highly variable and unpredictable primary production.

相应的，非平衡模式认为系统的原动力来自一些随机非生物因素，最明显的是降水量，它将导致不可预料的大幅度的初级生产力的变化。

Linear potential structure equation is limit to study the continuous stochastic variable yet.

线性潜在结构方程式模型还仅限于研究连续型随机变量，对于各领域大量出现的离散型随机变量，还没有适用的线性结构方程式模型。

The equations of optimal probability density function of stochastic variable or limit state function are derived by use of the higher moments of the function.

一次二阶矩法主要利用随机变量的均值和方差信息以及分布概型来计算结构的失效概率，属于低阶矩法。

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。

Actually, the uncertainty of survey data composes a lot of factors, not only stochastic variable. So traditional parameter estimation theories are not strict. To overcome their shortcoming, Prof.

实际上，测量数据的不确定性是多种不确定因素的综合，而不仅仅是由随机误差组成，因此使用目前的任何一种参数估计方法来处理测量数据都是不严密的。

The errors analysis model is also selected, the equations of the mechanical errors analysis of the planar cam mechanical are derived by taking mechanical errors as stochastic variable.

本文对凸轮机构的各原始误差对从动件输出的影响作了系统分析，建立了凸轮机构误差对输出性能影响的通用分析力学模型。

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。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。