The topic of graduation thesis cannot be repeated. The repetition of graduation thesis topics will directly affect the quality and innovation of the thesis, and also affect the duplicate checking rate of the graduation thesis. Therefore, when choosing the topic of graduation thesis, we should try our best to avoid duplication with existing papers.

If you really need to reuse a topic, you can try to fine-tune it from different angles or key points to make it unique and innovative. In addition, some unique elements or keywords can be added to the title of the paper to distinguish it from the existing papers.

In short, when choosing the topic of graduation thesis, we should avoid repetition as much as possible to ensure the quality and innovation of the thesis.