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	outflow remainder wave outflow rerouting outflow resistance Outflow segment outflow slag at ladle outflow slag detection outflowed Outflow Effect outflow field of a car outflow fraction outflow from orifice outflow from reach outflow from reservoir outflow head outflowing out-flowing outflowing country outflowing jet outflowing period outflowings outflowing stream out-flowing temperature outflow jet outflow lake Outflow liquid