An upgraded bomb, when falling, USES data from the global-positioning system in combination with laser and infra-red sensors to adjust a set of fins that work like aeroplane flaps.

这样一枚经过升级改进的炸弹被投下后，利用全球定位系统及激光和红外感应器提供的数据控制弹体上的一组翼片，其工作原理类似飞机襟翼。

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Last month, an Afghan immigrant living in the western U.S. state of Colorado, Najibullah Zazi, pleaded guilty to charges of leading a plot to bomb the New York subway system.

上个月，住在科罗拉多州的阿富汗移民纳吉卜拉·查兹承认了有关他带头策划对纽约地铁发动爆炸袭击的指控。

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The closed system of bomb plus water bath has a constant volume and is thermally insulated.

放射性物质容器弹和水槽组成的封闭体系具有恒定体积，而且是绝热的。

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He eventually pleaded guilty to plotting with others to bomb the subway system.

WSJ: FBI Uses 'Tripwires' to Catch Bomb Makers

In a 2009 plot to bomb the New York City subway system, suspect Najibullah Zazi was able to purchase significant quantities of hydrogen peroxide, which he hoped to distill to a higher concentration that would make an effective bomb.

WSJ: FBI Uses 'Tripwires' to Catch Bomb Makers

That means that once voices, data or video streams are translated into binary computer code, the system uses available bandwidth with great efficiency, and will effortlessly work around any disruption in the system (like a car bomb).

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