名词
中文翻译：Unknown
同义词：
['class size', 'class distribution', 'class ratio']
例句：
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1. The school has a class size of 40 students per class.
这所学校每个班有40名学生。
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2. The teacher adjusted the class distribution to better suit the needs of the students.
老师调整了班级分配，以更好地满足学生的需求。
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3. The class ratio is calculated based on the number of students and the number of teachers ineach class.
班级比例是根据每个班级的学生数和教师数计算得出的。