短語(yǔ)詞組短語(yǔ)class s interval 組距class of interval 類(lèi)區(qū)間position of class -interval 組距位置value of class interval 組距數(shù)值Width of class interval 組寬度;組距Class interval limit 組限magnitude of class interval 組距大小;組區(qū)間大小Class interval boundary 組界adjacent class interval 相鄰組距 返回 class interval