cluster sampling meaning in English
成串采样
丛聚抽样
分群抽样
分组抽样
分组取样
集团抽样
聚类抽样
类集抽样
密集取样
群集抽样
群组抽样
整群抽样
Examples
- Methods 4529th grade students in hefei chosen by cluster sampling were investigated by questionnaire and certain influencing factors of lung function were analyzed
方法采取整群抽样,发放问卷调查表,同时测定肺功能,并对肺功能相关影响因素进行多元线性回归分析。 - Methods a total of 802 students from 3 colleges were chosen by cluster sampling and surveyed by a self - administered questionnaire about aids
方法整群随机抽取兰州市3所高校低年级(医学生为一三年级,其他为一二年级)大学生802名,通过自填式问卷调查艾滋病相关问题。 - Using a multi - stage cluster sampling design , each of the three cities selected 21 secondary schools with a probability proportional to size to participate in the study
运用多阶段集群抽样方法,各参与城市的所有普通中学,按学校学生人数比例作为学校抽样机率,每地区抽出21间学校。 - Methods stratified cluster sampling was employed and 10 811 residents in heyuan , meizhou , shenzhen , zhanjiang , chaoyang , guangzhou , qingyuan , shaoguan were investigated in 2006
方法2006年,采用分层整群抽样方法对河源、梅州、深圳、湛江、潮阳、广州、清远、韶关8个地区进行了抽样调查。 - Methods two central hospitals and one center of emergency selected by stratification cluster sampling were surveyed for dead cases by injury from 1999 to 2001
方法采取整群抽样方法,抽取兰州市2所省级综合医院及1所急救中心1999 ~ 2001年的伤害住院病人病历,记录住院治疗的各种费用和相关信息。