同样，一些系统可能具有允许您进入维护模式的钥匙。
Some systems may have a key that you can turn to maintenance mode, as well.
quiesce数据库让数据库进入维护模式，不允许应用程序连接它。
Quiesce database is to put database in maintenance mode with no application connected to it.
虽然我也从头编写过一些软件，但这些基础工作只需要一两个月，接下来我又进入维护模式了。
Though I've built more than a few applications from scratch, it only takes me a couple months to lay the foundation, and then I'm in maintenance mode again.
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