group-average method classification 组平均法分类
weighted pair-group average method 加权对组平均法
method group-average 组平均法
The grassland vegetation in flood plain of the Fen River were classified into 12 communities by the group average clustering method. The community characteristics of every community were described.
用组平均聚类法将汾河河漫滩草地植被分为12个群落，并对每个群落的群落学特征进行了分析。
Methods Without the priori knowledge, using the image grey-scale average method (IAM) to implement multi-group experiments.
方法在无需先验知识的情况下，利用IAM方法进行多组实验。
Using unweighted pair group method with arithmetic average (UPGMA), 9 populations of Emmenopterys henryi were clustered into two groups, inner-province group and outer-province group.
利用算术加权平均数法（UPGMA）对香果树居群进行聚类，结果9个居群可分成浙江省内和省外两大类群。
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