Using unweighted pairgroup 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。
2
After the first pair of tasks was completed, one group of participants was assigned an undemanding activity intended to cause their minds to wander.
在第一对任务完成后，一组参与者被分配了一个要求不高的活动，目的是让他们走神。
3
The form that lets you create new instances requires you to specify a machine image, a key pair, and a security group.