An operating system signal or exception occurs.

发生操作系统信号或异常。

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Each defined system signal has a different action.

每个已定义的系统信号都有不同的操作。

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If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.

如果他们在系统布防时发现了什么问题，就会向基站发送无线警报信号，然后基站会发出警报。

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But Biden also had to soothe concerns that scrapping Bush-era plans for a more comprehensive system does not signal a breakdown of Polish-U.S.relations.

VOA: standard.2009.10.21

This is commonly used in the immune system as well, but it's a way of amplifying a signal.

免疫系统也常使用这种方法,但这主要是一种放大信号的方式

耶鲁公开课 - 生物医学工程探索课程节选

Here, what's different between autocrine and paracrine is that there's some distance between the cell that produces the signal and the cell that receives the signal, but it's not too great a distance because the blood system doesn't have to be involved.

自分泌和旁分泌的区别在于,旁分泌中,产生信号的细胞和接收信号的细胞,之间存在着一定的距离,但这个距离并不远,因为血液系统并不参与

耶鲁公开课 - 生物医学工程探索课程节选

In a classical telecommunications system the signal has to be boosted by a repeater every 80km or so.

ECONOMIST: Quantum information technology

If said player gets dangerously close to colliding with an object, the safety system would signal an audible warning alert and pause the game.

FORBES: New Intel Patent Aims To Protect Both Gamers And Their Surroundings

It has been discovered that the Airwave radio system's signal is variable on the ground floor.

BBC: Suffolk Police radio fault at Landmark House in Ipswich