master file

汉语翻译

英语解释：

名词 master file:

1. (computer science) a computer file that is used as the authority in a given job and that is relatively permanent
   同义词：main file

例句：

1. A file which is a collection of change records used to update a master file in batch processing.
   在批处理中，修改主文件的全部修改记录的集合所构成的文件。