The significance of paper duplicate checking is mainly reflected in the following aspects:

1. prevent plagiarism: duplicate checking of papers can effectively prevent students from copying other people's research results when writing papers and ensure the originality of papers. This is of great significance to maintaining academic ethics and academic integrity.

2. Improve the quality: through duplicate checking, we can find out the possible plagiarism in the paper, and urge the author to revise and improve the paper, thus improving the quality of the paper.

3. Cultivate independent thinking ability: duplicate checking requires the author to write papers independently, which helps to cultivate students' independent thinking ability and problem-solving ability.

4. Save time and resources: By duplicate checking, students can avoid spending a lot of time and energy in the process of writing papers to find information and organize ideas, thus saving time and resources.

5. Improve academic level: duplicate checking helps to improve the overall academic level, avoid the appearance of low-quality papers, and promote the healthy development of academic research.

In a word, duplicate checking is of great significance in ensuring academic ethics, improving the quality of papers, cultivating independent thinking ability and saving resources.