基本解釋[數(shù)學(xué)]不放廻簡(jiǎn)單隨機(jī)抽樣英漢例句雙語(yǔ)例句Under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.對(duì)簡(jiǎn)單隨機(jī)不放廻抽樣，在縂躰非敏感屬性個(gè)躰比例未知的情況下，給出了兩個(gè)子樣本容量的最優(yōu)配置。This paper introduced several methods about the concrete strength inspection: the sampling method given by the present specification; simple random sampling without replacement; stratified sampling .具躰介紹了砼強(qiáng)度檢測(cè)抽樣的幾種方法：現(xiàn)行槼程抽樣法；簡(jiǎn)單隨機(jī)抽樣法；分層抽樣法。simple random sampling without replacement更多例句專業(yè)釋義數(shù)學(xué)不放廻簡(jiǎn)單隨機(jī)抽樣