在此基础上对中学生非正式群体的内涵及特点作出分析，从而认识非正式群体存在的必然性与必要性。
Based on the analysis above, the meaning and features of the informal groups in the middle school students are demonstrated.
在此基础上对中学生非正式群体的内涵及特点作出分析，从而认识非正式群体存在的必然性与必要性。
Based on the analysis above, the meaning and features of the informal groups in the middle school students are demonstrated.
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