释义 |
file activity ratio 文件活动率 A ratio pertaining to the number of file elements in which changes or transactions are made during a specific updating run or in a given period, to the total number of records or elements in the file. If out of a total of 100 records, 20 are updated in a specific month, the activity ratio is thus 20 percent for this file. 在一特定的更新操作或给定周期中,被改变的文件单元或记录的数量与文件中总单元数量 或记录数量之比。如果总数为100个记录的文件一个月内有20个被更新了,则该文件的活动率 为20%。 |