“重于空气的飞行机是不可能的”。
此外，研究者还对其进行了能力测试：击落无人飞行机。
The Avenger is also being tested to take down aerial vehicles.
讨论的例子包括从生物学和应用足行走，标准操作，水下机器人，飞行机。
Discussions include examples from biology and applications to legged locomotion, compliant manipulation, underwater robots, and flying machines.
数十年来，驾驶一架飞行机、稳定航线并处理紧急问题的最好方式就是一位人类飞行员的眼睛、平衡感以及熟练地用手操作。
For decades a human pilot's eyes, sense of balance and hands were simply the best way to guide a flying machine, stay on course and cope with problems.
SB14 轰炸机在加利福尼亚州爱德华兹空军基地进行飞行测试，并将于2011年交付空军。
SB 14 is in flight test at Edwards Air Force Base, Calif., and will be delivered to the Air Force in 2011.
5名领先的战斗机飞行员被俘，并在媒体前示众。
Five leading fighter pilots have been captured and paraded before the media.
他生动地描述了他那战斗机飞行员的生活。
老兵们一想到女战斗机飞行员就感到激动而紧张。
Older veterans have been sent into a tizzy by the idea of female fighter pilots.
视频显示，他将直升机发射到空中并飞行了足够远的距离，才成功地移除了松动的牙齿。
The video shows him launching the helicopter into the air and flying just far enough to successfully remove the loose tooth.
很多直升机飞行员都将渴望双手能够摸到真家伙。
Plenty of whirlybird pilots will be keen to get their hands on the real thing.
弗吉尼亚州的一名飞行员用直升机为他儿子拔掉了松动的牙齿。
A pilot from Virginia removed his son's loose tooth using a helicopter.
激光瞄准安装在鹈鹕下面的光伏电池，给直升机的电池充电，使它在空中飞行了12小时27分钟。
The laser at photovoltaic cells mounted on the pelican's underside, charged the chopper's battery, keeping it aloft for 12 hours and 27 minutes.
“我的父亲曾是一名英国皇家空军飞行员，我的堂兄是从柏林上空失踪的兰卡斯特战斗机机长。”他补充道。
"My father was an RAF pilot and my cousin the skipper of a Lancaster lost over Berlin," he adds.
游戏需要设定飞行路线，来安全引导特大喷气客机到大型跑道、引导小型螺旋桨飞机至简易跑道、以及引导直升机到直升机场。
The game involves setting flight paths to safely direct jumbo jets to the large runway, smaller prop planes to the airstrip, and helicopters to the helipad.
从塔尼娅到直升机飞行员，每个人都在做心肺复苏。
It was everyone from Tanya doing the CPR to the helicopter pilot.
这种差异能够产生保持直升机水平飞行的升力。
This difference in lift can make it hard to maintain level flight.
据说新近设计的轰炸机安全飞行速度为每小时850英里。
It is said that the newly designed bomber is redlined at 850 miles an hour.
飞行过快而引起的应力会使滑翔机的机翼脱落。
The stresses caused by flying too fast could peel the wings from the sailplane.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
西科斯基公司已经制造了模拟机，以便潜在客户可以体验这些快速直升机的飞行感觉。
Sikorsky has already produced a simulator so that potential customers can experience what these fast helicopters will be like to fly.
前战斗机飞行员莫斯利说，这种危险是不能接受的，他需要那些猛禽战斗机。
Moseley, a former fighter pilot, said that such a risk was unacceptable, that he needed those Raptors.
就像战斗机飞行员一样，我们的宇航员可以轻而易举的进入太空。
Like fighter pilots, our astronauts would be able to blast into space at the drop of a hat.
米-10就是一架飞行的起重机。
只要轰炸机飞行员没有收到任一检查点的确认信息，他就得放弃任务并返航。
If a bomber pilot failed to receive confirmation at any checkpoint, he would abandon the mission and turn the plane around.
第二枚火箭由在发射平台附近飞行的直升机提供激光指示。
The second launch was guided by a laser designator in a second helicopter flying near the launch platform.
F135发动机是飞行战斗机有史以来最强大的发动机。
The F135 is the most powerful engine ever flown in a jet fighter.
另外，还有助于担负更多的直升机飞行员模拟时间。
Additionally, it would help pay for more simulation time for helicopter pilots.
通过想象直升机向前飞行来控制直升机向前移动。
The subjects moved the virtual helicopter forward by imagining their arms moving forward.
战斗机飞行员似乎已经没有了往日的风光。
战斗机飞行员似乎已经没有了往日的风光。
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