Simply by controlling the detachable wireless controller, the user can show directional and emergency signals on the back of the backpack.

用户只需控制便携的无线遥控器就可以在背包的背面显示行驶方向和紧急信号。

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"We now face the reality that there is no chance that anyone could have survived this long," Civil Defense Emergency Management national controller John Hamilton told a news conference Thursday.

“我们现在面对这样的现实，那就是没有人会生存这么长的时间，”，民防应急管理局国家管理员John Hamilton在星期四新闻发布会上说。

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Simply by controlling the detachable wireless controller the user can show directional and emergency signals on the back of the backpack.

用户只需控制便携的无线遥控器就可以在背包的背面显示行驶方向和紧急信号。

youdao

"We're preparing for what we call level three flood operations, which is the major flood event, " a regional State Emergency Service operations controller, Darren Winkler, told ABC.

BBC: Queensland floods: Recovery will be 'hell of a job'

Last month's emergency occurred about three hours into controller Harten's eight-hour shift, but only 15 minutes after he was assigned to handle departures from New York's LaGuardia Airport.

CNN: Controller thought Hudson landing would be 'death sentence'

The flight controller immediately begins rerouting other planes in preparation for an emergency landing.

CNN: FAA releases ValuJet air traffic control tapes