1972年在电子工业部召开标准化工作会议之前 ,研究和分析了电子工业当时所有的 5 0 6个部标准的构成 ,发现主要是元件产品标准 ,而大部分器件 (除七个中波收音机用的半导体器件为国标之外 )、整机、仪器及环境条件和抽样等基础标准全属空白 ,且缺少通用的共性标准 ,由此反映出 Prior to the standardization working meeting held by the Ministry of Electronics Industry in 1972, the composition of all 506 standard parts of the electronics industry at that time was studied and analyzed. Most of the components (excluding the seven medium wave radios used Semiconductor devices for the national standard outside), the whole machine, equipment and environmental conditions and sampling and other basic standards are all blank, and the lack of common common standards, which reflects