Paper body: The body part is the main content of the paper and the key part of duplicate checking. You can use paperfree as the first draft of the duplicate checking system.

Original statement, copyright statement, etc. These contents usually need text checking to confirm whether they are original or not.

Chinese and English abstracts also need text detection to ensure that the repetition rate with the main body of the paper does not exceed the standard.

Icon naming and formula explanation: these contents also need to be tested to ensure that there is no plagiarism and repetition.

References: References need to be checked in words to ensure that the cited documents have the correct source and standardized format.