[数] sampling theory
关于双重抽样 - 中南大学学报(自然科学版、英文版) 关键字: 抽样理论; 样本调查; 无偏估计; 方差[gap=217]Key words: sampling theory; sample surveys; unbiased estimate; variance
theory of sampling
... theory of sample surveys 抽样调查理论 抽样调查理论 theory of sampling 抽样理论 theory of selection 选择理论 ...
Sample theory
抽样理论