Any modification to the record structure requires modifications to the applications that access these records.
修改了记录结构就需要修改访问这些记录的应用程序。
2
Any transformation node could be added between these nodes to enable the modification of each file record.
可以在这些节点之间添加任何转换节点，以支持对每个记录进行修改。
3
Fault memory allows the user to record problems and, through the use of a computer, observe trends that could indicate a need for process modification, troubleshooting or preventive maintenance.