我们把我们的分析基于二百多名男性的一组随机抽样。
We based our analysis on a random sample of more than 200 males.
尽量取得目标群体的随机抽样。
测试来自正态分布的随机抽样。
设计：整群抽样与单纯随机抽样。
DESIGN: a cluster sampling and simple randomized sampling survey.
方法采用分层随机抽样方法。
方法监测点的选择采用单纯随机抽样方法。
Methods Simple random sampling was used to choose surveillance counties.
提出一种新的基于随机抽样的网格聚类算法。
A new grid clustering method based on the random sampling is proposed in the dissertation.
本文阐明了带有不同倾向性的随机抽样方法。
This article shows us the method of random sampling with varies tendency.
方法采用随机抽样的方法调查1021例患者。
Methods Making research on 1021 patients by random sampling.
具体说明方法的数学概率模型及随机抽样方法。
A mathematical probable model and random sampling method are illustrated, too.
方法采用分层随机抽样的方法以问卷的形式进行调查。
METHODS Questionnaire survey is stratified and random sampling method in the form.
研究方法本研究采用分层整群随机抽样方法进行抽样。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
对样本进行随机抽样，实验结果证实了算法的有效性。
With the help of random sample technique, the experiment proves the efficiency of algorithm.
本文对随机抽样数目对状态估计结果的影响进行了讨论。
Effect of random sampling number on state estimation is discussed.
给出变量的归一化分布函数及由此进行随机抽样的方法。
The normalized distribution functions of the variables and their sampling methods are given.
然而，这项研究缺乏一个控制组并且采用的是非随机抽样，他们表示。
However, the study lacked a control group and used nonrandom sampling, they noted.
方法：本研究采用分层随机抽样方法和整群随机抽样方法。
Methods: The stratified sampling and cluster random sampling methods are used in this survey.
为使监测点具有良好的代表性，必须遵循随机抽样的原则。
If the monitoring station has good representative, it will hare to follow the principle of the random sampling.
这也是不可能的边界或界限的情况将在现场随机抽样数据。
It is also unlikely that boundary, or threshold situations will be present in a random sample of live data.
同已有的最好的方法比较这些随机抽样方法的效率均有提高。
The efficiency of these new random sampling methods is high in comparison with the best of the existing methods.
方法采用分层随机抽样的方法，对全院护理病历进行质量评价。
Method Strata randomized sampling method was used to evaluate nursing documents in the whole hospital.
对这两个区域中相等数量的村庄以及大致相等数量的家庭和妇女进行随机抽样。
An equal number of villages and approximately equal Numbers of households and women were randomly sampled from both areas.
在简单随机抽样方法的基础上提出了分层抽样的模糊综合评价模型。
A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.
方法采用问卷调查方式，对广州市居民随机抽样进行饮水健康调查。
Methods a questionnaire survey of randomly selected residents of Guangzhou city health survey of drinking water.
由于随机抽样的可变性，因此这个X平方分布统计会随实验的不同而不同。
This Chi Square statistic will vary from experiment to experiment due to random sampling variability.
方法在社区采用单纯随机抽样的方法抽取居民200人进行问卷调查。
Methods a questionnaire survey was conducted among 200 people in Luohu District, selected by random sampling.
我们筛选了随机抽样的由所有年龄组组成的1063个受检者为调查对象。
We screened a random sample of 1063 subjects of all age groups selected by clustering.
我们筛选了随机抽样的由所有年龄组组成的1063个受检者为调查对象。
We screened a random sample of 1063 subjects of all age groups selected by clustering.
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