Such trains can be driven by jet engines.

这样的火车可以用喷气发动机驱动。

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Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.

飞机各种能够飞行的带翼交通工具，通常比空气重，用喷气式发动机或螺旋桨驱动。

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Much research has been driven by efforts to save jet fuel. Having more than doubled in price in recent years, it now accounts for about half of airlines' operating costs.

为节省飞机燃油人们已做了大量研究，油价近年来增长近两倍多，如今它几乎占了航空运营成本的一半。

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All planes have batteries, but the Dreamliner needs especially powerful ones because its control systems are driven entirely by electrical signals in place of the hydraulic controls seen on earlier generations of jet.

BBC: Boeing 787: Dreamliner's lithium ion batteries probed