random sample的例句大全

limiting distributions of order statistics with random sample size and random ranks from stationary sequences

强混合平稳序列的随机容量、随机秩顺序统计量的极限分布

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In a 2011 study, researchers led Dr. Yonas Geda at the Mayo Clinic in Rochester interviewed a random sample of 1,321 people ages 70-89, most of whom were cognitively normal, about the cognitive activities they engaged in late in life.

在2011年的一项研究中，由罗切斯特市马友诊所的约纳斯啸杰达博士带领研究人员随机采访了1，321名年龄在70岁至89岁的人，他们中大部分人在认知方面是正常的，研究人员针对他们晚年从事的认知活动进行了访问。

四级真题- 2017年 12月 2卷 信息匹配

and so, i began to think about, well, maybe that's just a random sample.

因此，我开始想，也许这只是个特例。

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The other technical capacity inspection of the product asked is performed, when the sample are some of the products, get the random samples from the product group according to the required numer of inspection items.

对于产品所要求的其他技术性能，若用制品检验时，根据检验项目所要求的数量从该批产品中随机抽取。

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Methods: The rate of pigeonhole of 7220 medical records from hospital patients is calculated by random sample.

方法：随机抽取出院患者7220份病案，计算病案归档率。

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And the theory of pose accuracy of ship 6-DOF motion simulation platform was analyzed, and the reasonable random sample models of structure parameter error were established.

同时，对船舶六自由度运动模拟台的精度分析理论进行了研究，建立了合理的结构参数误差随机抽样模型，利用蒙特卡洛模拟方法对位姿误差的统计特性进行了仿真分析。

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Setting: Data were obtained from a community-based random sample of racially and ethnically diverse men.

方法：对不同种族的男性进行随机人群抽样调查。

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first of all, the paper illustrates kinds of dso, theory of random sample convert and the task' aim.

本文首先介绍了数字化示波器的分类，随机采样技术的基本原理及课题任务。

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a large random sample provides reliable results in most cases.

在大多数情况下，大量的抽样可以提供可靠的结果。

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analysis of fracture reason and random sample inspection of bolt

螺栓断裂原因与抽检结果分析

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the population is divided into strata and a random sample is taken from each stratum.

总体分成阶层后由各阶层抽选出来的随机样本。

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the rationale of random sample is discussed, and a method of increasing the data acquisition rate is put forward.

论述了随机采样的基本原理，提出了利用随机采样技术提高数据采样率的一种方法。

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and this paper give the method of getting the random sample of generalized solutions of above stochastic differential equations.

给出了所研究形式的随机微分方程的样本广义解的求解方法。

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compare with the different between the random sample index and the model parameters using random sampling simulation and t-test method.

采用随机抽样模拟和t检验法比较随机样本指标与模型参数之间的差异；

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the survey is a random sample survey, and totally 386 valid questionnaires are collected.

通过随机抽样调查，回收有效问卷共386份。

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methods: a questionnaire was sent out to 100 clinical practice graduates as random sample from different hospitals and different clinical sections.

方法：按随机化抽样的方法抽取不同医院、不同科室的临床专业毕业实习学生100人进行问卷调查。

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the company polled a random sample of more than 2000 adult smartphone users in the us earlier this year.

LG今年早些时候在美国随机抽取样本，调查了2000位智能手机成年用户。

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two algorithm for region partition based on distance space clustering and random sample are found. the limit of initial value error is given.

建立了基于距离空间聚类和基于随机采样两种区域划分算法，并且给出了圆心初值误差的极限。

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ub researchers conducted the study in a random sample of 1,555 white and african-american residents of western new york.

布法罗大学的研究人员随机抽取了1555名生活在纽约西部的白人和黑人，进行了研究。

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a random sample of elephants can be taken, and mice can be brought up to the elephants.

随机找一只大象，再把老鼠放在大象面前。

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