But not plagiarism.

Not in the same field. But with the classical algorithm, the original data is different from the results and conclusions. Not plagiarism. Similarly, we should use classical synthesis or extraction methods to extract different chemicals from different raw medicinal materials.

Duplicate checking, the so-called duplicate checking of papers, is to compare your own papers with the database of the paper detection system and get the similarity ratio with the major discussion libraries. In short, it is to test the plagiarism rate and see if your paper is original.