Starting with the invention of the bicycle, going on to sports cars, cars with jet engines, rocket-powered cars, attempts to break the sound barrier, and rocket-engine airplanes.

从发明自行车开始，一直到赛车，喷气发动机汽车，火箭动力汽车，尝试突破声障和火箭动力飞机。

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This is the important research problem for starting of the jet engine in the sky. But it was researched for starting test of the small turbojet in the sky.

喷气发动机的空中起动是重要的研究课题，而小涡喷发动机的空中起动试验尚需探索。

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For example, starting in August, a British Airways jet stuck on the tarmac for more than four hours at Kennedy Airport in New York is subject to fines imposed by the US Department of Transportation.

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What we have talked about is that starting in 2013, that we have gotten rid of some of these egregious loopholes that are benefiting corporate jet owners or oil companies at a time where they're making billions of dollars of profits.

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