1. Language accuracy: SCI papers are generally written in English, so it is necessary to ensure the language accuracy in the process of translation and polishing. This includes the correctness of vocabulary, grammar and spelling.

2. Professionalism: SCI papers usually involve professional knowledge, which needs to be guaranteed in the process of translation and polishing. This means that you need to have a deep understanding of terms and concepts in related fields and be able to accurately translate them into the target language.

3. Logical clarity: SCI papers usually need a clear logical structure, so it is necessary to ensure logical clarity in the process of translation and polishing. This means that the structure of the article needs to be adjusted reasonably to make it conform to the expression habits of the target language.

4. Format specification: SCI papers usually need to follow specific format specifications, so it is necessary to ensure the standardization of format in the process of translation and polishing. This means that the title, abstract, text, references and other parts of the article need to be properly adjusted to meet the format requirements of the target language.

5. Reviewer's opinion: Before submitting SCI papers, it is generally reviewed by reviewers. Therefore, in the process of translation and polishing, it is necessary to fully consider the opinions of reviewers and make corresponding changes according to their suggestions.