A fail-over connection is set up for automatic switchover of updating apps from primary to standby.

设置了一个故障转移连接，用于将更新的应用程序自动从主站点切换到备用站点。

youdao

A fail-over connection is set up for automatic switchover of updating apps from primary to standby.

设置了一个故障转移连接，用于将更新的应用程序自动从主站点切换到备用站点。

youdao