It should reflect the main ideas of the paper and be able to be read in isolation from the full text without affecting comprehension. Try to avoid the use of overly specialized vocabulary, special symbols and formulas. Abstracts should be carefully constructed, and it is not advisable to take a few sentences from the article at random or just repeat the conclusion once. Reference serial numbers should not appear in the abstract. The word count requires 120 words~150 words. The English abstract should include the following: title, author, unit, city of the unit, postal code, abstract content and keywords. Name (birth year -), gender, place of origin, job title, research direction.