Notice in step 8 of Figure 3 that a FAILURE signal is sent back to the controller.

注意 图 3 的步骤 8 中 FAILURE 信号被发送回控制器中。

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In this case the controller sends out a FAILURE signal to the coordinator, thus invoking the compensatory activities in reverse order.

在本例中，控制器会将FAILURE信号发送给协调器，从而以反转顺序调用补偿活动。

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Fault diagnosis for rolling bearing is the important part of machine failure diagnosis. Resonance-demodulation is one of available methods for gear failure signal diagnosis.

滚动轴承故障诊断是机械故障检测中一个重要方面，共振解调是一种有效分析滚动轴承故障信号的方法。

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Failure could signal that the promised wave of drugs was simply an artifact of the bubble.

FORBES: Magazine Article

There were also problems on the London Underground's Jubilee Line because of signal failure at Neasden.

BBC: Signal failure delays commuters travelling west of London

The Heathrow Express cancelled its services due to a signal failure at Hayes and Harlington.

BBC: Paddington rail service returns to normal