六三三制的

例句：

1. 1. The school has implemented a six-three-three system to improve student performance.
   学校实施了六三三制以提高学生成绩。
2. 2. The teacher used the six-three-three system to organize the classroom effectively.
   老师使用六三三制有效地组织了教室。
3. 3. The six-three-three system is designed to balance academic and extracurricular activities for students.
   六三三制旨在平衡学生的学业和课外活动。