Optimum allocation random stratified sampling survey
stratified random sampling
adaptive fuzzy proportion in tegration differentiation
forage grass in proportion to feed
N application proportion in various periods
Sampling proportion within group
Reproductive allocation proportion
Optimum allocation stratified randomized sampling survey
water sediment allocation in the basin
branching process in random environments
function in random variable
method of stratified sampling
random stratified reservoir
stratified clustering random sampling
stratified sampling
分层抽检
分层抽样
分层采样
分层取样
成层随机采样
抽样调查
分层选样法
强度
统计处理
stratified sampling method