Alert是什么意思？

When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.

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.

More sleep in old age, however, is associated with better health, and most older people would feel better and more alert if they slept for longer periods, he said.

She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.

She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.

When the system thinks it's being jammed, it'll notify you via push alert.

with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

To alert American workers to the urgency for adaptation.

Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.

To be alert to fluctuations in foreign markets.

And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.

Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.

The researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves against any potential danger.