backup system

• 在主系统发生故障时用于替换的辅助或冗余系统，以保证工作持续进行。

A secondary system or duplicate arrangement designed to take over if the primary system fails, ensuring continuity of operations.

1. Data protection systemB2formal

   A secondary system or method used to store copies of data to prevent loss in case the primary system fails.

   备份系统

   • The company installed a backup system to protect critical files.
   • We lost all our data because the backup system was not working.
   • A reliable backup system is essential for any business.

2. Redundant support systemB2formal

   A secondary piece of equipment or process that can take over if the main one fails.

   备用系统

   • The hospital has a backup system for its power supply.
   • The spacecraft's backup system activated when the main engine failed.
   • Engineers designed a backup system to ensure continuous operation.