久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典statisticsstatistics英英釋意

statistics

英 [st?'t?st?ks] 美[st?'t?st?ks]
  • n. 統(tǒng)計;統(tǒng)計學(xué);[統(tǒng)計] 統(tǒng)計資料

英英釋意


1. a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters