怀俄明州这个案例，这个过程没有在30分钟的安全时间内完成。
In the Wyoming case, that process could not have been completed within the 30-minute safety window.
缓慢均匀的徒步才能给人适应环境的时间，这是在海拔上升过程中，避免会产生致命后果的高原病的最安全途径。
A slow and steady trek that allows time for acclimatization is the safest way to ascend and prevent altitude sickness, which could have fatal consequences.
拥有多个副本也为项目提供了一个安全机制，可以在服务器运行中断过程中减少停机时间及返工。
Having multiple replicas also provides the project a failsafe mechanism to minimize project down-time and rework in the event of a server outage.
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