论文部分内容阅读
今年6月3日凌晨,美国新研制的高超音速试验飞机X-43A首次飞行失败,折翅坠入太平洋。这使美航宇局为军用目的开展的这项雄心勃勃的计划开门即遭厄运,遇到沉重打击。
On the early morning of June 3 this year, the newly developed U.S.-made hypersonic test aircraft X-43A failed its first flight and its wings fell into the Pacific Ocean. This caused the ambitious plan to open a door for the military purpose by the United States Aerospace Bureau when it suffered a doom and suffered a heavy blow.