However, users in China now form one of the largest student groups.
不过，中国的用户现在形成了其最大的用户群之一。
Twenty four student helpers from Grade 8 were divided into four groups of six.
二十四名八年级的学生助手被分成四组，每组六人。
The first student in each of these groups is its coordinator.
每个小组的第一个同学作为该组的协调人。
There was significant difference between two groups by using Student t test(P<0.05).
经配对t检验表明二者间有显著性差异（P<0.05）；
There was significant difference between two groups by using Student t test(P<0.05).
经配对t检验表明二者间有显著性差异（P<0.05）；
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