[統(tǒng)計] 直線等距抽樣 sampling systematic: 系統(tǒng)抽樣systematic sampling: 系統(tǒng),體系; 系統(tǒng)抽樣法; 系統(tǒng)化采樣aligned systematic sampling: 列系統(tǒng)抽樣modified systematic sampling: 修正等距抽樣plane systematic sampling: 平面等距抽樣下載手機詞典可隨時隨地查詞查翻譯