按比例分层随机抽样
Proportion allocation in stratified random sampling
彼此独立的随机抽样法
Independent random sampling
不放回简单随机抽样
simple random sampling without replacement
成对的随机抽样法
Paired (or matched) random sampling
动态测角随机误差
random error of dynamic measuring angle
多阶段分层整群随机抽样
Multi-stage stratified cluster randomization
二段随机抽样
two-stage random sampling
二阶段随机抽样
two-stage clustered randomized sampling
反射器随机误差效率
reflector
random error efficiency of
放回的简单随机抽样
simple random sampling with replacement
放回简单随机抽样
simple random sampling with replacement
分层简单随机抽样
stratified simple random sampling
分层随机抽样
stratified random sampling