Different duplicate checking systems may have different detection algorithms and standards, so the detection results of the same paper in different systems may be different. In addition, when using the duplicate checking system, it is also necessary to comply with relevant regulations and requirements, and illegal copying and dissemination are not allowed.

At present, there are many duplicate checking systems on the market, such as HowNet, VIP, paperfree, papertime, Wanfang and so on. Different duplicate checking systems may have different duplicate checking algorithms and databases, so it is very important to choose a suitable duplicate checking system.

After selecting the duplicate checking system, you need to register and log in. After logging in, you need to upload the papers that need to be copied to the duplicate checking system. Pay attention to the format and word limit of the paper when uploading. After the duplicate check is completed, wait for a period of time and you can view the duplicate check report. The duplicate checking report will list the content and repetition rate of the paper in detail, which is convenient for users to modify the paper.