短語詞組短語Sample traffic survey 抽樣交通量調查sample field survey 抽樣現場調查;詳細繙譯Sample e survey 抽樣調查sample area survey 樣地調查sample survey method 樣本調查法NSS National Sample Survey 全國抽樣調查組織scheme of sample survey 抽樣調查方案;詳細繙譯enumeration sample survey [統(tǒng)計]查點抽樣調查Statistical Sample Survey 抽樣調查 返回 sample survey