Small-sized Class System: The number of students in one class is less than 20 in order to offer more individualized instruction.
小班教学：班级人数少于20人，给学生提供更为周到的教学服务。
Small-sized Class System: The number of students in one class is less than 20 in order to offer more individualized instruction.
小班教学：班级人数少于20人，给学生提供更为周到的教学服务。
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