2. References should be implemented according to the standard of China Academic Journals (CD-ROM Edition) (CAJ CD-ROM Edition) Retrieval and Evaluation Data Specification (2005). References are arranged at the end of the text in the order in which they appear.
3. The word "reference" is in the upper left box, bold, No.4, after the first paragraph 1 line. The upper left box of the reference number is represented by a number in square brackets, and there are two spaces between it and the following text. If two lines are needed, the second line of text should be located after the number and aligned with the first line of text.
4. The content of the reference is Song Ti, No.5, with a row spacing of 20 points. The serial number is the same as the indicated serial number in the text, and the last one of each reference item is ".".
Extended data:
1. Reference types: monographs, papers, newspaper articles, journal articles, dissertations, reports, standards and patents.
2. file type identification: m, c, n, j, d, r, s, p.
3. For the citation of electronic document types such as database, computer program and electronic bulletin, the following two letters are used as identifiers: electronic document type identifiers DB, CP and EB.
Types of electronic document carriers and their identification: magnetic tape MT, magnetic disk DK, optical disk CD, online network OL.