cause
1. Relevant information or data related to the research object is helpful for the research of the paper, but it is not convenient to sit in the right place (such as corporate privacy, local governance data, etc.). ), so use abbreviations instead.
2. The author's personal understanding of the relevant information or data of the research object is not true, so in order not to let others sit in the right place, abbreviations are used instead.
3. The name of the research object is too long, and it is replaced by abbreviation.
4, the hard requirements of school teachers.
Not only that, but also the company Letter substitution is mainly to avoid possible disputes, and the real company name must be hidden without the company's consent, so letters are used instead. As for which letter A-Z is used to replace the company name in the specific writing process of the paper, there is usually no strict requirement.
Reference type letter
M- Monographs (including works on history and chronicles in ancient books)
Essays
Newspaper articles
Journal articles
Doctoral dissertation
R- research report
S standard
patent
A—— Precipitated documents in monographs and papers.
Z—— Other unspecified literature types