random variable
英 [ˈrændəm ˈveəriəbl]
美 [ˈrændəm ˈveriəbl]
网络 随机变量; 随即变量; 隨機變數; 随机变数; 变数
英英释义
noun
- a variable quantity that is random
双语例句
- The disk structural reliability is calculated by use of Monte Carlo Simulation ( MCS) techniques and Response Surface Method ( RSM). The random variable sensitivity is also analyzed.
分别采用蒙特卡罗法和响应面法计算了轮盘结构可靠度，并对其随机性的影响因素进行了灵敏度分析。 - Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
取代单个值，随机变量拥有描述估计值可能性的函数，该函数称为变量的概率分布。 - The distributing function of random variable is an important concept in the theory of ratio.
随机变量的分布函数是概率论中的重要概念。 - Taking the electromagnetic variable stiffness support as the target of study, the supporting system of random variable stiffness was analyzed and the working principle of this system was introduced.
以电磁变刚度支撑为研究对象，分析了随机变刚度支撑系统，介绍了该系统的工作原理。 - In the paper, we discuss a new discrete risk model perturbed by diffusion The premium rate in this risk model is a random variable.
建立了一类带干扰离散风险模型，并且保费收取率为随机变量。 - Its main theoretical base is the law of large numbers in the theory of probability, whose main means is the sampling of random variable.
它的主要理论基础是概率论中的大数定理，其主要手段是随机变量的抽样。 - A class of discrete type random variable probability distributions, called negative geometric distribution and negative hypergeometric distribution, are discussed.
本文研究了一类离散型随机变量的概率分布，称之为负几何分布和负超几何分布。 - This paper presents a reliability design method for fatigue strength of steam turbine parts subjected to alternating and mean stess with random variable stress ratio.
本文介绍了应力幅和平均应力之比为随机变量时汽轮机零件疲劳强度的可靠性设计方法。 - This paper, taking the two-dimensional separate random variable as an example, produced the mutually independent distinctions method for separate random variable, and made a comparison between them.
以二维离散型随机变量为例，给出了离散型随机变量相互独立的几个判别方法，并对其进行了比较。 - The sum of the values of a random variable divided by the number of values.
随机变数数值之和除以其数量。