Please make the text more cohesive:
In 1998, the university was merged into Zhejiang University. Before 1953, the ZAU was an agriculture school of Zhejiang University, so it was a kind of rejoining, the same as the previous Hangzhou University, Zhejiang Medical University.
In 1998, the university was merged into Zhejiang University. In fact, before 1953, the ZAU was an agriculture school of Zhejiang University, so it was a kind of rejoining, the same as the previous Hangzhou University, Zhejiang Medical University.