unequal class intervals

例句：

1. 1.The school has implemented unequal class intervals to ensure that students are not grouped together based on their abilities.
   学校实施了不等的班级间隔，以确保学生不会因为能力而被分到同一个小组。
2. 2. The teacher noticed that the unequal class intervals were causing some students to feel left out.
   老师注意到不等的班级间隔让一些学生感到被排斥。
3. 3. The school is considering changing its policy to create more equal class intervals for all students.
   学校正在考虑改变政策，为所有学生创造更平等的班级间隔。