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This paper brings forward a kind of new simulation method of the random cavity medium model.

提出了一种模拟构造随机溶洞介质模型的新方法。

The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

中文摘要：几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher

random variable ; law of large number ; central limit theorem ; Mathematica

鉴于随机模拟过程的易操作性，笔者只对大量独立同分布的随机变量进行验证，即只讨论

Under suitable conditions, an almost sure central limit theorem is obtained for the product of the partial sums of stongly mixing positive random variables.

在适当的条件下，对强混合的正的随机变量给出了其部分和乘积的几乎处处中心极限定理。

In order to get a deeper understanding of law of large number and central limit theorem, random variables are simulated using Mathematica in this article.

概率论中的大数定律及中心极限定理正是两个描述随机现象统计规律性的重要结论。

Progressive pruning can save a lot of simulations,but it is very dangerous in the framework of tree search. When doing tree seach,the central limit theorem does not apply,because the out comes of random simulations are not identically distributed.

渐进式修剪可节省大量的仿真，但在树搜索的范围内它是非常危险的，在做树搜索，中心极限定理并不适用，因为随机仿真的结果是不相同的分配。

Most of them rely on the central limit theorem, that states that the mean of N independent realizations of a random variable with mean u and variance d^2 approaches a normal distribution with mean u and variance d^2/N .

在蒙特卡罗评估框架内大量的各种选择性算法已经被推出，他们中的大部分依赖于中心极限定理，一个均值为U方差为D^2的随机变量的N次独立实现的平均值接近于一个均值为U方差为D^2/N的正态分布。

Inaddition,we propose a so-called symmetric random weighting method to deal withthe case when the third central moment of underlying population is zero.

此外，我们还提出了所谓的对称随机加权法以处理总体三阶中心矩为零的情形。

Based on a low swing, low crossing point current switch driver and central symmetry Q2 random walk pMOS current source layout routing methods, a 1.8V 10 bit 120MS/s CMOS current-steering digital-to-analog converter IP core is implemented in a TSMC 0.18μm CMOS process.

采用低摆幅低交叉点的高速CMOS电流开关驱动器结构和中心对称Q^2随机游动对策拓扑方式的pMOS电流源阵列版图布局方式，基于TSMC0.18μm CMOS工艺实现了一种1.8V10位120MS/s分段温度计译码电流舵CMOS电流舵D/A转换器IP核。

Methods Surveys and controlled analyses were conducted with the PSTRI, SCL90, EPQ in 112 nurses of tumor department selected with holism sampling and 120 ones of general clinic department selected with random sampling from the second、fourth hospital of Zhuzhou city and the centrical、first hospital of Xiangtan city.

整群抽取112名湖南省株洲市四所医院肿瘤科护士为研究对象，其它临床科护士120名为对照。采用心身压力测试量表、症状自评量表、艾森克个性问卷对两组进行评定分析。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。