English
全部
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
按相关度排序
按时间排序
腾讯网
6 天
XB-1实现静音超声速巡航,超声速客机的市场化障碍只剩下法规?
近日,美国布姆公司(BoomSupersonic)表示,其研发的超声速客机技术验证机XB-1在试飞中成功实现了超声速飞行,试飞地点在美国莫哈维沙漠上空。布姆公司表示,在其最近的两次试飞中,XB-1的最大马赫数分别达到了马赫数1.11和马赫数1.18。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
North Macedonia deadly fire
Pleads not guilty
Israeli attack in Gaza
Chiefs sign Tillery
ISIS leader killed in Iraq
Wins longest-ever Iditarod
Trump signs funding bill
Kupp signs with Seahawks
Withdraws nomination
US expels SA ambassador
Villanova fires head coach
Gold rises to new heights
Influencer leaves Australia
Staff placed on leave
Coffee creamer recall
Child abuse images sentence
Syed formally resentenced
To review F-35 jets purchase
SK: Massive rallies erupt
Cuba suffers power outage
Deportation order blocked
Man wins $50M over burns
Felony gun possession arrest
Second protester arrested
Electrical fire halts show
Laceration hazard recall
Texas measles outbreak
US launches strikes in Yemen
Kellogg's envoy role reduced
RU, UKR launch attacks
反馈