低飞的飞机就好像从房顶掠过一样。

The low-flying plane seemed to skim the roof tops.

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建立这些数字高程模型，有无数的用途，可以帮助军用飞机超低飞行，可以给救济工作人员显示地震的哪里破坏最大。

Their digital elevation model will have myriad USES, from helping military jets fly ultra low to showing relief workers where an earthquake's damage is worst.

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新航有关管理人员表示此举既可减少昂贵的印刷费用，而且也可降低飞机整体载重和提高燃油效率。

Officials claim the move will eventually have an impact on overall weight and fuel efficiency of the aircraft, although clearly the decision will also remove expensive printing costs.

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