这种新型战斗机的巡航速度为声速的两倍。

The cruising speed of this new type of fighter is Mach two.

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我们先从美国空军武器库中最新型的战斗机——F – 22“猛禽”开始。

We start with the F-22 Raptor, the newest fighter in the US Air Force arsenal.

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最近的军力展示中，中国新型隐形战斗机进行了第二次试飞。

China has staged a second test flight of its new stealth fighter jet in its latest display of military strength.

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