Emergency Broadcast Systems Are a Social good.

紧急广播系统是社会公益。

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It wouldn't be a surprise at all to see those Terms changed to prohibit use of Twitter for emergency broadcast purposes.

因此如果看到这些条款改成禁止用户把Twitter用于紧急广播之目的话，我们一点也不会觉得惊讶。

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Because of the increased transmitting paths of audio channels in broadcast stations, the key problems are to discover the malfunctions in time and to perform the emergency procedures.

随着广播电台节目路数的增多，特别是一些大型电台，及时发现播出故障并实施应急措施日益成为日常工作的重点和难点。

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Witnesses said they heard an explosion. Sergei Shoigu,Russia's emergency situations minister, described the situation during a live broadcast from the national crisis response center in Moscow.

VOA: standard.2009.11.27

With the 2010 World Cup, the vuvuzela joins the ticking stopwatch on "60 Minutes" and the piercing signal of the Emergency Broadcast System in the pantheon of nonmusical sounds that instantly tell you what is on TV even before you've entered the room.

CNN: How I learned to love the vuvuzela

This allowed us to create sample scenarios to showcase ingenuity and innovation, including how the mobile app can alert individuals on its location and areas to avoid for a fire, flood or terrorist attack, all by aggregating emergency frequency broadcast and GPS technology.

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In most towns and cities, loudspeaker systems can broadcast emergency information to residents.

BBC: How Japan tackles its quake challenge