International standards, national standards, regional standards, professional (ministerial) standards and enterprise standards.
In the standard literature of our country, the code name of Chinese national standard is "GB". "GB" often means GB in the computer field.
23 12-80 or GB
18030-2000。 Both are standards of Chinese coding system, which are used for simplified Chinese in Chinese mainland and Singapore.
Standards can be divided into technical standards and management standards according to their nature. Technical standards can be divided into basic standards, product standards, method standards, safety and environmental protection standards. Management standards are divided into technical management standards, production organization standards, economic management standards, administrative management standards, management business standards, work standards and so on.
Standards can be divided into international standards, local standards, national standards, professional (ministerial) standards and enterprise standards according to the scope of application, and can be divided into statutory standards, recommended standards, trial standards and draft standards according to the degree of maturity.
Extended data:
Standard literature classification:
International Standard Classification (ICS): Numeric classification, * * * is divided into 97 categories. The directory structure of international, regional and national standards and other standard documents, and as the basis of the long-term ordering system of international, regional and national standards, can also be used for the classification of standards and standard documents in databases and libraries.
China Standard Classification (CCS): There are 26 categories of numbers and letters. The ICS classification number is 1997. Almost every advanced industrial country has its own standard classification.
References:
Baidu Encyclopedia-Standard Literature