### Chinese: 进入大学本科阶段，专业开始细分，很多专业课程以基础知识为主。
### English: Entering the undergraduate stage, <v>the major begins to subdivide</v>, and many professional courses are based on basic knowledge.
### Errors: There is a major accuracy/mistranslation error at "the major begins to subdivide" within <v></v>.

### Improved English: Majors are segmented after entering the undergraduate study, and many specialized courses are carried out with basic knowledge as the main content.
