Backup is a critical change control function.
备份是一项关键的更改控制功能。
Version control systems are typically used for file backup, parallel development, and change management.
版本控制系统通常用于文件备份、并行开发和变更管理。
Copy all data files, control files and online redo logs file to backup media.
将所有数据文件、控制文件和联机重做日志文件复制到备份媒介。
Lost of a control file with no backup.
没有备份的控制文件的丢失。
Once the backup has taken over control, start the admin console again.
备份节点接管控制权后，再次启动管理控制台。
The backup of many control file maintains on many different physics disk.
在多个不同的物理磁盘上保持多个控制文件的备份。
The brake valve is simple in structure, can realize wire control of the brake pipe fluid pressure, and has the capacity of mechanical backup brake under the condition of the electrical fault.
本发明结构简单，能实现制动管路液压力的线控制，并具备电气故障下的机械备份制动能力。
The brake valve is simple in structure, can realize wire control of the brake pipe fluid pressure, and has the capacity of mechanical backup brake under the condition of the electrical fault.
本发明结构简单，能实现制动管路液压力的线控制，并具备电气故障下的机械备份制动能力。
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