method of stratified sampling的意思|示意
分层抽样方法
method of stratified sampling的网络常见释义
分层取样法 ... 分层开采法 slicing method 分层取样法 method of stratified sampling 分层支柱回采法 slicing-timbered stoping ...
分层抽样法 stratified systematic sampling : 分层系统抽样，分层等距抽样 method of stratified sampling : 分层抽样法，类型抽样法 stratified probability sampling : 分层概率抽样 ..
method of stratified sampling相关例句
Methods: the breakfast structure and the nutrition knowledge of 3 547 students in rural boarding middle school in Chongqing were investigated by adopting stratified two-stage cluster sampling method.
方法：采用分层二阶段整群抽样方法，对重庆市3 547名中学生早餐饮食结构和营养知识进行调查。
Methods A survey on prevalence of FD in communities of Shijiu Neighborhood, Rizhao was conducted by using a stratified, randomized cluster-sampling method.
方法采用随机分层整群抽样方法，对日照市石臼街道常住人群进行面访式问卷调查。
METHOD:63 medical institutes nurses have been investigated by Stratified cluster sampling RESULTS. nurses of medical institutes are scarce and their qualities are low.
方法采用分层整群抽样方法调查了63家医疗机构的护理人员。
The influencing factors of feat technique in hygiene were investigated in Sichuan with the method of the stratified sampling and the categorical data analysis.
采用分层抽样方法和分类资料统计方法，开展四川省农村卫生适宜技术推广影响因素调查研究。
Methods The survey of prevalence of dental caries in group aged 12 and 15 years in Anhui province was conducted using the non-proportional, stratified, cluster sampling method.
方法对安徽省四县市的12岁及15岁儿童的龋病发病情况进行抽样调查，采用分层、不等比、多阶段整群抽样的方法。
Method A total of 4 882 undergraduates from 6 universities in Shanxi province was investigated with multistage stratified random cluster sampling.
方法采用多阶段分层随机整群抽样方法调查山西省普通高校一、二、三年级本专科大学生4 882名。