组内方差variance: n. 1.变化,变动,变更;变度,变量;【统计】(平)方 ...within: within doors 在户内,在屋内;向 ...class: n. 1.阶级;社会等级。 2.学级;班级,年级,级,班 ...variance between the classes: 级间方差pooled variance within zones: 合并带内方差下载手机词典可随时随地查词查翻译