( 1 ) Standard
Standards are unified provisions for repetitive things and concepts. It is based on the comprehensive results of scientific, technical and practical experience, and is approved by the competent authorities and published in a specific form by consensus of the parties concerned as the guidelines and basis for common compliance. 'Repeatability ' is the basis for the generation of standards, and it is necessary to formulate standards only when things have repeatability. 'Comprehensive achievements of science, technology and practical experience ' is the basis of the standard, which is the refinement and generalization of science, technology and practical experience. 'Approval by the competent authority after consultation ' is the process of standard generation, which reflects the scientific and democratic nature of the standard and the authority of the standard. The standard itself has its own format, and its writing, printing, format and format are strictly regulated. The standard is issued in a ' specific form ', reflecting the seriousness and unity of the standard ; 'As a criterion and basis for common compliance ' reflects the role of standards.
( 2 ) Standardization
In China 's national standard 'Standardization Basic Terminology Part I ' ( GB3935.1-83 ), standardization is defined as : in social practices such as economy, technology, science and management, repetitive things and concepts are unified through the formulation, release and implementation of standards to obtain the best order and social benefits. The purpose of standardization is achieved by formulating and implementing standards for repetitive things and concepts in social practice such as economy, technology, science and management. Due to the wide range of standardization, different standards and standardization object and standard content, often vary greatly, so the specific standards, the purpose of standardization is often varied, but the ultimate goal is to obtain the best order in the field of standardization and the best benefit in society, which is the basic starting point of standardization activities.
