查询词典 random digit

Simple random sampling is the case where n objects are selected at random from a population, and each member of the population is equally likely to be included in the sample.

简单随机抽样是指从总体中随机取样n次，使得总体中的每个元素在样本中的出现的可能性相同。

In principle, layered random sampling and simple random sampling were used.

取样原则采分层随机抽样和简单随机抽样方式，共抽取12所学校，抽样得70个班级，含68位教师与其班级学生共754人，回收的有效样本共计70班，合计68位级任教师与739位学生。

The simple random sampling plan and stratified random sampling plan has been introduced and the application means and effects of which also has been presented,it has some characteristics such as material precision and obvious reduce of sample size,and rational advice has been presented.

介绍了简单随机抽样和分层随机抽样方法及其在检测中的应用方法和效果。

The relation between the parameter of ground motion and time is transformed into a pure random process with the amplitude varying with time. Based on the concept that there is the scaling invariant fractal structure in the transmission of earthquake motion and the self-affinity of the ground motion signal in time domain, an assumption is deduced that the curve of the stationary random noise of the ground motion varying with time is a fractal graph.

将一个运动参数的时间变化过程转化为具有时变振幅的一个纯随机振荡问题，运用地震运动传递具有无特征尺度的分形结构和地运动时域信号具有统计自相似性的概念，提出地面运动随机平稳噪声的时变曲线是一条分形曲线的假设。

Secondly, we obtain the moderate deviation principles for NA random variables with stationary distribution under a weak condition, and then we give the MDP for m-dependent random variables..

其次， 我们在一比较弱的条件下得到了平稳NA随机变量列的中偏差原理，并给出了m相依随机变量列的中偏差原理。

On the assumption that the unevenness of runway profiles along the direction of taxi - ing is a stationary random function,techniques of piecewise constant-speed taxi ing runs and piecewise linear representation of dynamic properties of airplane landing gears are adopted in this paper to approximately simplify the actual nonlinear and nonstationary random vibration prob-lems to the piecewise linear and stationary ones.

在飞机滑行方向跑道路面不平度为平稳随机函数的假设下，采用滑行过程分段等速化、起落架动态特性分段线性化方法，把原非线性非平稳随机振动问题，简化为分段线性平稳随机振动问题。

Objective: To test the accuracy of the Personal Computer-Random dot Stereogram, study the effect of the size of random dot on the stereoacuity of amblyopia.

中文摘要：目的测试自制计算机随机点立体视检查图的准确性，探讨随机点大小对弱视患儿立体视锐度的影响。

This study is to combine two kinds of image stereogram technique. It is a new technique of stereogram using the combination of Single Image Random Dot Stereography technique and lenticular stereoscopic imaging technique named "Single Image Random Dot Lenticular Stereoscopic Imaging".

摘要 本论文研究提出一种结合两种不同的立体成像技术，即将随机点立体成像技术与光栅板立体印刷技术做结合，成为一种新的立体成像技术，我们称之为「随机点光栅板立体印刷成像技术」。

Kinda random isn't that, Mark, and stretchy random at that

随机事件不是这样的，Mark，和有弹性的随机事件…

This paper discusses the strong laws of large numbers for random variable functions, and proves a strong law of large numbers for random variable functions by the analytical method.

文章主要讨论了任意随机变量序列泛函的强大数定律，并采用分析的方法证明了任意随机变量序列泛函的强大数定律，作为推论，得到了有关非齐次马尔可夫链函数的一个强大数定律。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。