求翻译：远程备份系统由恢复控制中心、备份服务器和远程数据备份系统组成。其中备份服务器采用虚拟化技术，构建成为一个资源池。其主要职责是在灾难未发生时，扩展应用服务器集群的容量。此过程由恢复控制中心进行调控，计算所需使用使用备份服务器资源的数量，为迁移任务分配资源。在灾难发生时，由恢复控制中心根据任务的关键等级，按由高到低的顺序进行资源分配，优先保证关键任务的恢复。是什么意思？

Remote backup system control center by the recovery, backup server and remote data backup system. One backup server virtualization technology, to build a resource pool. The main duties of the disaster did not occur, the extended application server cluster capacity. This process is regulated by the R

A remote backup system control center, a backup server and remote data backup system. The backup server using Virtualization technology, built into a resource pool. Its main function is in the wake of the disaster did not occur, the capacity expansion application server clusters. This process by res

The long-distance backup system by restores the control center, the backup server and the long range data backup system composition.Backup server uses the virtualization technology, constructs into a resource pool.Its primary interest has not occurred when the disaster, expansion application server

Recovery remote backup system and remote data control center, backup server backup systems. Back up the server virtualization technology, build into a resource pool. Its primary responsibility for the disaster did not occur, capacity of the extended application server clusters. This process is contr

Remote backup system control center by the recovery, backup server and remote data backup system. One backup server virtualization technology, to build a resource pool. The main duties of the disaster did not occur, the extended application server cluster capacity. This process is regulated by the R