1. Please use word to typeset the manuscript. The theme of the manuscript is clear, the language is fluent, the level is clear, and the signature and author unit are guaranteed to be correct.

2. The paper format should include: title, author's name, author's unit name, city name where the unit is located, abstract, keywords, Chinese Library Classification number, references, etc.

3. The author's brief introduction includes: name, age, gender, work unit, professional title or position, mailing address, postal code, contact telephone number, etc.

If the manuscript is not returned, please keep it.

5. All submissions will be replied by email within 1-3 working days. Please pay attention.