Method Using stratified random sampling method.
方法采用分层随机抽样方法。
Methods Making research on 1021 patients by random sampling.
方法采用随机抽样的方法调查1021例患者。
Equivalent sampling has sequence sampling and random sampling.
等效采样分为顺序采样和随机等效采样。
Methods Simple random sampling was used to choose surveillance counties.
方法监测点的选择采用单纯随机抽样方法。
This article shows us the method of random sampling with varies tendency.
本文阐明了带有不同倾向性的随机抽样方法。
Methods 755 residents were surveyed on questionnaires by random sampling.
方法随机抽取755位居民，进行问卷调查。
To reach that number, the company surveyed a random sampling of 237 office workers.
公司是在对237名上班族进行了随机抽样调查后得出结论的。
A mathematical probable model and random sampling method are illustrated, too.
具体说明方法的数学概率模型及随机抽样方法。
Replication experiments in 20 cases of random sampling showed 100% coincidence.
随机抽取的20例样本进行重复实验，重复性为100%。
METHODS Questionnaire survey is stratified and random sampling method in the form.
方法采用分层随机抽样的方法以问卷的形式进行调查。
A new grid clustering method based on the random sampling is proposed in the dissertation.
提出一种新的基于随机抽样的网格聚类算法。
Methods: The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究采用分层随机抽样方法和整群随机抽样方法。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分层整群随机抽样方法进行抽样。
This Chi Square statistic will vary from experiment to experiment due to random sampling variability.
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。
Monte Carlo simulation is a method of random simulation, random sampling or statistical testing.
蒙特卡罗方法是一类通过随机变量统计试验，随机模拟以求得问题近似解的方法。
Random sampling: random sample of 50 boys, 50 girls were 100 students conducted a questionnaire survey.
随机抽样：随机抽取50名男生，50名女生共100名学生进行问卷调查。
Methods a questionnaire survey was conducted among 200 people in Luohu District, selected by random sampling.
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。
In this project the group categorized a random sampling of blog posts and weighed words for their emotional charge.
在这个研究项目中，研究团队会对随机抽样的博客文章进行分类，并对包含情绪词汇进行衡量。
Methods Random sampling was carried out in a survey for 161 community health service manpower by questionnaire.
方法采取随机抽样方法，对161名社区卫生服务从业人员进行问卷调查。
If the monitoring station has good representative, it will hare to follow the principle of the random sampling.
为使监测点具有良好的代表性，必须遵循随机抽样的原则。
The efficiency of these new random sampling methods is high in comparison with the best of the existing methods.
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。
A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.
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。
Methods an investigation was made 1 000 old people aged 60 and upwards by random sampling and calling at the house.
方法采用整群随机抽样并进行入户调查的方法，对1 000名60岁及以上老年人进行了调查。
CONCL USION: the calculation formulas of multiple - stratifying and clustering random sampling are theoretically set up.
结论：推导并建立多重分层、整群随机抽样误差的计算公式。
Methods With simple random sampling, 1010 floating population and 240 local people in Wuxi were interviewed by questionnaire.
方法采用单纯随机抽样方法，对无锡市1010名流动人口和240名当地人群进行问卷调查。
The colognes and perfumes tested were a random sampling of products the average consumer might find at a department or drugstore.
古龙水和香水的检测是在任意一个顾客的产品或者在一个企业或者一个化妆品店随机进行的化学测试。
The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
调查在分层逐级抽样法与随机抽样法相结合的抽样基础完成，共收集有效样本1005个。
The program consists of a statistical random sampling designed to detect a 1% incidence of violations at a confidence level of 95%.
该计划包括一个统计学上的随机采样，目的是在95%的置信程度上查出1%的违规几率。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法采用非概率随机抽样方法，选取283户家庭进行调查，并对调查结果进行统计、分析。
METHODS: a total of 283 families were investigated by random sampling, and the results of investigation were analyzed statistically.
方法采用非概率随机抽样方法，选取283户家庭进行调查，并对调查结果进行统计、分析。
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