1·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。
2·This powerful plane combined high supersonic speed (1800 km/h) with significant fire range.
这架威力无比的飞机有着极高的速度（1800公里/小时），同时有着非常远的火力射程。