9CaKrnQhJRW作者:mil.huanqiu.comgallery美国砸2.4亿美元打造无音爆超音速飞机造型曝光/e3pmh1dm8/e3pn6f3oh1522806660000环球网版权作品,未经书面授权,严禁转载或镜像,违者将被追究法律责任。责编:范辰言环球网152280666000011[]{"gallery":{"members":[{"desc":"【环球网军事报道】据美国国家航空航天局(NASA)官方网站4月4日发布的新闻稿透露,NASA和美国著名军火制造企业洛克希德马丁公司达成协议,开发一款名为X-Plane的超音速飞机,该飞机可以在不产生音爆的情况下超音速。这份合同价值2.475亿美元,将于2021年首飞。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095115950.jpg"},{"desc":"该飞机的设计巡航时速可以达到1513公里,巡航高度为1.6万米,在超音速时产生的声音仅有75分贝,而非传统飞机超音速时发出音爆。","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095116282.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095116856.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095116234.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095116537.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095117515.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095117142.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095118206.jpg"},{"desc":"","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0404\/09\/51\/20180404095118247.jpg"}]}}//himg2.huanqiucdn.cn/attachment2010/2018/0404/09/56/20180404095656388.jpg