一些气象学家推测北极变暖造成的气流模式改变是造成2010年袭击美国东海岸的那场非季节性暴风雪的部分原因。
Some meteorologists suspect unseasonal snow storms off the east coast of America in 2010 were partly caused by Arctic warming shifting wind patterns.
虽然许多公司渴望采用这种模式，但是在大多数情况下它都是不必要和非最优的——当然也不是最差的，其原因在于它很难实现。
While many companies aspire to this, for most it's unnecessary and not optimal -- not the least because it's hard to achieve.
如果您可以访问该系统，但由于某种原因而无法终止损害系统的进程，可以切换到单用户模式，这将停止所有非关键的服务以及任何用户运行的进程。
If you can access the system but can't kill the offending process for whatever reason, shutting down to single-user mode stops all non-essential services and any user-run processes.
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