...e Random Sampling WithOut Replacement 简单随机不放回抽样 SRSWR Simple Random Sampling With Replacement 简单随机放回抽样 SRT Satellite Regenerator Terminal 卫星再生器终端 ..
Undersimplerandomsamplingscheme without replacement and unknownproportionofpopulation possessing neutral attribute, the optimalallocation of sizes of twosub-samples is given.