分级

In a sentence

• 学校根据学习成绩对学生进行了分级。

  The school classified the students based on their academic performance.

  Here, 分级 is used as a verb to mean categorizing or grading students into levels.

• 这部电影的分级是13岁以上观看。

  This movie is rated for viewers aged 13 and above.

  In this case, 分级 refers to the age or content rating given to the movie.

• 对于不同年龄的病人，医生采用了分级治疗的方案。

  For patients of different ages, the doctor implemented a graded treatment plan.

  Here, 分级 describes a treatment plan adjusted to levels or categories based on patient attributes.