outlier

outlier
[ˈaʊtlʌɪə]
noun
  1. a person or thing situated away or detached from the main body or system
    在外面的人,与主体分开的人;与主体分开的物
    less accessible islands and outliers.
    交通较为不便的岛屿和边远外地。
    ■(Geology)a younger rock formation isolated among older rocks
    (地质)外露层
    ■(Statistics)a data point on a graph or in a set of results that is very much bigger or smaller than the next nearest data point
    (统计)异常值
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