英语词汇“抽樣調查”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	抽樣調查
释义	抽樣調查 chōu yàng diào chá統計調查的組織形式之一。從統計總體中，按隨機原則抽取一部分單位作爲樣本進行調查，以其結果推斷總體一般情況的工作。如統計某一地區農業的糧食產量，可隨機選取一定比例的同等面積的地塊若干塊作爲樣本，進行實測，然後以其產量來推斷該地區的糧食總產量。
随便看	low-density plaques low-density plasma low density point of interest low density polyethlene lowdensity polyethylene low density polyethylene low-density polyethylene low -density polyethylene low density polyethylene film low-density polyethylene film low density polyethyleneldpe low density polyethyleneLDPE low density polyethylene ldpe low density polyethylene LDPE low density polyethylene, LDPE low density polyethylene pipe low density polyethylente lowdensity polymer low density polymer low-density polythene low density polythylene low-density powder low-density press baler low density proppant low density recorder