Similarly, high-level events can be decomposed into one or more low-level events or actions; for example, changing a pressure control valve, sounding an alarm, or signaling an alert.

类似地，高层次事件能够被拆分成一个或者多个低层次事件或动作；例如，更换压力控制阀、拉响警报或发出警戒信号。

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A slight drop in cabin pressure as the shuttle climbed into the sky raised an alarm, but engineers attributed it to normal expansion that allowed some oxygen to escape.

当航天飞机升入天空的时候，仓压的轻微下降引起了警报，但是工程师将它归为正常的膨胀，是可以准许的氧气泄漏。

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The signal monitor subsystem is responsible for the pressure, temperature and gas consistency monitor and alarm of the pumps.

信号监测部分完成对油泵的出口压力、电机轴温、油气浓度的监测和报警；

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Experts investigating the plane crash which killed the golfer Payne Stewart and five others in October say a low-pressure alarm sounded shortly before the fatal accident.

BBC: New evidence in Payne crash

How can you quickly move your operations from one infrastructure to the next when the pressure is on and the alarm bells are ringing?

FORBES: The Good News About Cloud Architecture: Everything Fails

Police had found a large quantity of potassium nitrate, sulphur, five metres of cable, alarm clocks, headlamp bulbs and a pressure cooker that could serve as a bomb casing.

BBC: France 'uncovers biggest bomb plot in years'