1 Take advantage of the free duplicate checking opportunities provided by the school. Generally, each school will provide about 2 free duplicate checking opportunities, which can be carried out in the library. It should be noted that the free checkweigher usually has a limit on the number of times of use, and each person's free opportunity is generally only about 2 times.

Choose a free duplicate checking website. There are many reliable free duplicate checking websites to choose from, such as Paperfree and Papertime. These websites can check the weight for free, and provide functions such as machine weight loss and online weight change.

3 software translation method. This method needs to use a document translation software to translate repeated words into English and then back to Chinese, and reduce the weight by comparing the words whose contents have changed before and after modification.

In the process of losing weight, we can use the above methods comprehensively, and at the same time, we should pay attention to maintaining the original intention and logic of the paper, so as not to reduce the quality of the paper because of too many modifications.