查询词典 expected value

The expected value of a random variable .

一个数集中频数量高的成员。

The expected value of the square of the deviations of a random variable from the point of origin.

同一时间段内，两个随机变量平方偏差的统计值。

analysis of variance, regression, statistic, expected value

当然，现存统计软件掂来即是，比如Mathematic、Statistic等都是很好的数据处理软件，即使Excel本身，除有各种数据处理函数外，还提供了专门的"数据分析"工具包，但这些软件一方面对学生较陌生，另一方面在课堂上直接使用未

We have discussed the expected value and variances of the OLS estimators, but to perform statistical inference, we wish to know the full sampling distribution.

我们已经讨论了OLS估计量的期望和方差，但是为了进行统计推断，我们仍希望知道样本分布。

The stochastic expected value model is a class of stochastic programming problems with wide applicability.

随机期望值模型是一类有着广泛应用背景的随机规划问题。

In a probabilistic analysis of unrepairable systems, system behavior is described by reliability and mean time to failure, in which the reliability is defined by the probability of the random event "system is functioning at time t", and MTTF the expected value of random lifetime of system.

衡量不可修系统可靠性的指标主要是系统可靠度和平均寿命。其中系统可靠度定义为不可修系统在t时刻仍正常工作的概率，平均寿命定义为不可修系统寿命的期望值。

Thermal conductance of yellow-browed bunting,chestnut-flanked white-eye,hwamei and red-billed leiothrix were 0.24,0.31,0.21 and 0.34 ml O2/,respectively,below the lower critical temperature,which were 149％,149％,215％,and 243％ of the expected value based on their body mass,respectively.

在下临界温度以下，黄眉NFDA2、红胁绣眼鸟、画眉和红嘴相思鸟的最小热传导分别是0.24、0.31、0.21和0.34 ml O2/，分别是体重预期值的149％、149％、215％和243％。

Mean basal metabolic rates within thermal neutral zone were 3.65±0.14 ml O2/ for buntings,4.69±0.27 ml O2/ for white-eyes,3.55±0.14 ml O2/ for hwameis,and 4.24±0.17 ml O2/ for leiothrix,which are 128％,230％,60％ and 120％ of the expected value based on their body mass,respectively.

在热中性区内，黄眉NFDA2、红胁绣眼鸟、画眉和红嘴相思鸟的平均基础代谢率分别是3.65±0.14、4.69±0.27、3.55±0.14和4.24±0.17ml O2/，分别是体重预期值的128％、230％、60％和120％。

Based on the above-said characteristics, a combination of stochastic simulation and fuzzy simulation is applied for establishing ship economy expected value model.

基于以上特点，文章采用随机模拟和模糊模拟相结合的方法建立了船舶经济指标期望值模型。

The researcher also created the two key factors stable mechanism during business exit activity , the motivation generates the expected value and the disciplines form co-order .

本研究亦建立双因子组织撤离的稳定架构，激励因子可以产生预期价值的效果，纪律因子是形成共同秩序的机制。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。