科技档案号是用来规定和表示科技档案分类层次、结构关系和保管单位排列顺序的一组符号。编制科技档案号的目的,一是为了表示分类的层次、结构,二是表示保管单位的排列顺序。前者系全部档案内容纲目的揭示,是质的组合;后者系最后一个层次里保管单位的序号,是量的排列。因此,保管单位的顺序号不能等于表示层次结构的分类号,档案号是分类号和保管单位顺序号的组合体,或者说档案号等于分类 Technology file number is used to define and represent the science and technology file classification level, the relationship between the structure and the storage unit arranged in a sequence of symbols. The purpose of the preparation of scientific and technological files, one is to indicate the level of classification, structure, and the second is that the storage unit in the order. The former is the disclosure of all the contents of the archive content outline, is a combination of quality; the latter is the last level in the custody of the serial number is the amount of arrangement. Therefore, the serial number of custody can not be equal to the classification number that represents the hierarchy, the file number is a combination of the classification number and the serial number of the custodian, or the file number is equal to the classification