为了保证系统安全有效地运行，系统还做了过流、过压、欠压保护的设计。
What's more, the system gets designed with over-current, over-voltage and under-voltage production to ensure it operates smoothly, effectively and efficiently.
所以为了能够使用能力并保证系统安全，根进程必须能够不可逆转地将它的uid切换到非0，同时保留一些能力。
So in order for capabilities to be useful, a root process must be able to irrevocably switch its uid to non-zero while keeping a few capabilities.
为了保证通信系统安全可靠工作，对机房里面动力、环境设备及设备进行自动监视和有机管理是极其必要的。
To ensure safe and reliable communication systems, it is vital that the power room inside force and environmental equipment is automatically monitored and organically managed.
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