red alert

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Red-M and Madge Networks, Red-Alert Pro and WLAN Probe WLAN intrusion detection devices.
红色- M和马奇网络，红色警报专业和无线探头无线局域网入侵检测设备。
rtm009.blog.163.com
When a red-alert for air pollution goes into effect, the emergency plan will only allow drivers to use their vehicles every other day on an odd-even license plate system.
概要：《北京市空气重污染应急预案》今天正式发布，市环保局新闻发言人方力表示，空气污染达一级红色预警时，机动车将实行单双号限行。
U. S. officials say a code-red alert imposed early Thursday is aimed at commercial traffic from Britain, with focus on flights by United Airlines, American Airlines and Continental Airlines.
美国官员说，星期四早上宣布的红色警戒级别针对来自英国的航班，主要是由联航、美利坚航空以及大陆航空公司运营的航班。

The country needs a low cost of carry for this amount of debt to stay manageable, so low interest rates take on a red-alert policy emphasis.
FORBES: Managing Money
He conducted much of the negotiating between midnight and dawn, apparently assuming that a lifetime in the army rendered him more alert in the wee hours than his red-eyed and yawning interlocutors.
ECONOMIST: Israel
The government raised the security alert in railway stations and airports to red, the second-highest level.
ECONOMIST: The idea that there are al-Qaeda opt-outs does not stand up

If a hospital, a police force, or a military force is on red alert, they have been warned that there may be an emergency, so they can be ready to deal with it.