短語詞組短語sample period data 樣本期數(shù)據(jù)sample and data 樣本和數(shù)據(jù)sample point data 採樣點(diǎn)數(shù)據(jù)sample -data systems 採樣系統(tǒng)sample the data set 搆建數(shù)據(jù)集樣本small sample missing data 小子樣缺失數(shù)據(jù) 返回 sample data