Worry-free retouching team has a good weight loss effect. Recently, a paper with a repetition rate as high as 55% was completed to reduce weight. Although most of the repetition in this paper comes from the author's previous papers, it is also an academic misconduct in the field of academic research, which is what the industry calls self-plagiarism.

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Scientific Citation Index (SCI) is a citation database established by eugene garfield of institute for scientific information (ISI) in Philadelphia, USA on 1957.

SCI (Science Citation Index), EI (Engineering Index) and ISTP (Science and Technology Conference Index) are three world-famous retrieval systems for scientific documents, which are internationally recognized as the main retrieval tools for scientific statistics and scientific evaluation.

In February 2020, the Ministry of Education and the Ministry of Science and Technology issued "Several Opinions on Standardizing the Use of Relevant Indicators of SCI Papers in Colleges and Universities and Establishing Correct Evaluation Orientation". This document should break the "SCI supremacy" of papers, take this as a breakthrough, take practical measures with strong pertinence and operability, break the "paper-only theory" and establish a correct evaluation orientation.