The structure of the paper
The title of the paper should be accurate, concise, eye-catching and novel. A table of contents is a short list of main paragraphs in a paper. Abstract, an excerpt from the main content of the article, requires brevity, accuracy and completeness. The number of words can be as few as dozens, and it is advisable not to exceed 300 words. Keywords are selected from the title, abstract and text of the paper, which are words with substantial meaning to express the central content of the paper. Keywords are words used by computer systems to index the content characteristics of papers, which are convenient for information systems to collect and provide readers with retrieval.
1. Why does Dongguan stop issuing freight business qualification certificates now?
Dongguan is now withholding the freight busines
(1) What is the national education series?
National education series is a concept different from non-national education series, and the education