标准化工作自有组织地在国家范围内开展活动至今已近１００年了。这个时期，根据它的发展特点，可分为传统标准化和现代标准化两个阶段，即从本世纪初到本世纪２０年代末，一般称做传统标准化时期，从６０年代初至今称为现代标准化时期。标准化是随生产和科学技术的发展而... Almost 100 years have passed since the standardization exercise was organized nationwide. At this period, according to its development characteristics, it can be divided into two stages: traditional standardization and modern standardization. From the beginning of this century to the end of 1920s, it is generally called the period of traditional standardization and the period of modern standardization . Standardization is with the development of production and science and technology ...