It is shown by theory and case study that the master - slave clock mode in a com munication system is ideal for proper functions of the current differential protection.
The master boot record of hard disk, the programming method for the copying and restoring CMOS parameters, and realizing the writing protection of hard disk is represented.
论述了硬盘主引导记录、CMOS参数备份与恢复的程序设计方法及硬盘写保护的实现。
3
Objective to investigate the occupational physical and mental impair, protection status and the related protection knowledge master status, and to come up with the strategy.