random variable

1. 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。
2. The weighted mean of the random variable is the expected value.
   随机变量的加权平均值是期望值。
3. The variance of a random variable measures how far from the expected value its values typically are.
   随机变量的方差衡量随机变量值与期望值偏离的程度。
4. A random variable is a function that takes values based on a probability distribution.
   随机变量是一个根据概率分布取值的函数。
5. A random variable, such as time in the example above, is associated with properties that are different from those associated with a single value.
   随机变量，如上例中的时间，与一些特性相关，这些特性不同于那些与单个值相关的特性。
6. Some Discussions on Expectation and Variance of Random Variable
   关于随机变量数学期望与方差的讨论
7. Cumulate probability distribution of trials of random variable of uniform distribution.
   随机变数多次试验结果之累积机率为均匀分布。
8. The relation between independence and non-correlation of a random variable is discussed in the paper and the relation between two random variables is described in detail.
   文章讨论了随机变量相互独立与不相关的联系，并对两个随机变量的相互独立与不相关进行了细致的讨论。
9. Do The Function of A Continuous Type of Random Variable Also Belong To One?
   连续型随机变量的函数还是连续型随机变量吗？
10. The expected value of the square of the deviations of a random variable from the point of origin.
    偏离原点的随机变量的偏差平方的期望值。
11. Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;
    热疲劳；随机变量；概率分析；焊点；对数正态分布；
12. 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。
13. ( statistics) being or having a random variable.
    （统）是随机变数或有随机变数。
14. 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。
15. Asymptotic Distribution of Chi-square Random Variable with Random Degree of Freedom
    带有随机自由度的卡方随机变量的渐近分布
16. In our notation, the name of a random variable is always a capital letter, for example, X.
    在我们的记法，一个随机变量的名字总是一个大写字母，例如，X。
17. Indexes of guidance effectiveness were given by treating the detection distance as a random variable in whole guidance stage.
    以发现距离作为整个导引阶段的随机变量，提出导引效能指标。
18. 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。
19. 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。
20. In the model, shortages are allowed and the backorder rate is a random variable.
    存货系统中允许缺货发生且为部分欠拨，欠拨为一随机变。
21. 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。
22. In a given period the seasonal goods can be ordered at a discount price, and the demand for the goods is an issue of discrete random variable.
    讨论了在一个时期内商品的订购价格有折扣，而且该商品的需求量是离散型随机变量的订购问题，得出了使利润最大化的最佳订购量的计算方法。
23. 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。
24. In order to analyze the effect of the nonlinearity of the function on calculating the expectation and variance of nonlinear function of continuous random variable, a set of examples are designed.
    为了研究近似法对求连续随机变量高阶非线性函数的期望和方差的影响，用典型算例分析了非线性函数的曲率强度对结果的影响。
25. In this paper, we study the distribution law of order statistic of discrete type random variable.
    本文论述了离散型随机变量的次序统计量的分布律及其有关推论。
26. A stochastic scheduling model for hydrothermal power systems is presented based on fuzzy chance constrained programming, taking reservoir inflow and water level for a random variable.
    针对水火电力系统运行调度中所包含的不同种类的不确定量，提出了一种基于模糊随机机会约束规划的短期水火电力系统多目标优化调度模型。
27. An estimator is a random variable.
    估计量是一个随机变量。
28. 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。
29. 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。
30. 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。

noun

1. a variable quantity that is random

   Synonym:    variatevariantstochastic variablechance variable