Step 5: Look for an emergency exit or emergency door release switch.

寻找紧急出口或紧急开门按钮。

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A switch to forest gardening and other forms of permaculture is trickier, especially for producing grain; but such is the scale of the creeping emergency that we can't afford to rule anything out.

转而向森林园艺以及其他形式的永续农业来谋求出路比较困难，尤其是在生产粮食方面；然而这种紧急情况蔓延的态势已经到了如此地步，排除任何救治之道都让我们承受不起。

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The standard emergency lowering switch provides for patient lowering capabilities in the event of a hand controller or control board malfunction.

本标准规定了紧急下降开关降低病人在一只手的控制器或控制电路板故障事件的能力。

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Maybe my AC is working too hard and I need to switch if off before an emergency occurs.

FORBES: When the lights went out, my light went on

Dedicated lanes give buses an uncongested path, and traffic-signal priority gives buses the power, once reserved for emergency vehicles, to switch signals from red to green as they approach.

FORBES: Busting Bus Bunching With Traffic Signals

If digital communications are disrupted, the site can switch to analogue technology with assistance from the Radio Amateurs' Emergency Network.

BBC: Bunker mentality: The Cold War bunkers still in use