This futuristic plane would be expected to achieve supersonic speeds, possibly surpassing the speeds of the supersonic transport planes that ran commercially in the late twentieth century.
这架未来的飞机预期会达到超音速，也许会超越20世纪后期商业运营的超音速飞机。
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This powerful plane combined high supersonic speed (1800 km/h) with significant fire range.