The simulation is categorized as a sampling method because the inputs are randomly generated from a probability distribution that stands in for a real data population.
模拟是按照采样方法分类的，因为输入是根据代表真实数据总体的概率分布而随机生成的。
Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.
方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象，进行个案调查和血清学检测。
Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.
同时研究表明，系统随机整群抽样是进行黄牛群体遗传变异分析的最适抽样方法。
The involves the methods of design study, target population, sampling method and the techniques that were used to select the sample size.
涉及到设计方法的研究中，需要根据目标人群，抽样方法和技术来选择样本大小。
At the same time, 49 Yangtse River Delta White Goats were sampled as contrast population from the suburb of Yangzhou city Jiangsu province by the simple random sampling method.
同时，在江苏省扬州市郊区简单随机抽样49只长江三角洲白山羊作为对照群体。结果表明。
Methods in 1999, a cross-sectional study was carried out in a natural population of Beijing, using stratified-random sampling method.
方法1999年在北京市自然人群中采用分层随机抽样的方法进行横断面调查。
The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
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