... Using Stratified Random Sampling 采用分层随机抽样 multistage stratified random sampling 多级分层随机抽样 stratified randomized sampling 随机分层抽样 ...
双语例句
1
Multistagestratifiedrandomsampling was conducted an interview survey in status of illness for children under 2 years old.
采用多阶段分层随机抽样法对2岁以下儿童进行疾病状况询问调查。
2
We randomly selected 806 children under 6 years of age from 45 primary anganwadi (childcare) centres in Chandigarh, Punjab, India, that were chosen through multistagestratifiedrandomsampling.
Methods: By using questionnaires with multistagestratifiedrandom cluster sampling method, 726 valid questionnaires of 800 were backed from the university students in 4 universities in Dalian city.