John Logan and Brian Stults created a dissimilarity index, which identifies the percentage of one group that would have to move to a different neighborhood to eliminate segregation -- think busing.
约翰洛根（John Logan ）和布莱恩斯特尔茨（BrianStults ）发明了一个相异指数，为了消除种族隔离，一组人必须搬家，与陌生人为邻，然后用相异指数来确定这组人中黑人邻居的百分比-想一下公共校车的例子。
The rate of community dissimilarity index increased with the increasing the altitude difference.
随着海拔差的增加，群落相似性指数增加率也是不同的。
The rate of community dissimilarity index increased with the increasing the altitude difference.
随着海拔差的增加，群落相似性指数增加率也是不同的。
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