他们的计算表明，快速而持续的微小空气波动可以使毯子达到每秒一英尺(译者：30.48厘米)的飞行速度。
Their calculations showed that small waves of air in repeated fast pulses could steer a carpet at a speed of around one foot per second.
如若这样，那么3千3百万焦耳发射出的炮弹速度高达每秒5500英尺，这一速度超越了音速，会产生音爆。
In this case, the 33 megajoules launched the shot 5,500 feet per second, exceeding the speed of sound and releasing a sonic boom.
如若这样，那么3千3百万焦耳发射出的炮弹速度高达每秒5500英尺，这一速度超越了音速，会产生音爆。
In this case, the 33 megajoules launched the shot 5, 500 feet per second, exceeding the speed of sound and releasing a sonic boom.
我们正以3.24马赫飞行，所有的进气口都紧紧关闭，两个J-58引擎就像火箭推进 器一样全速运转 -每秒吞吐100000立方英尺的空气。
With all inlet doors tightly shut, at 3.24 Mach, the J-58s are more like ramjets now, gulping 100, 000 cubic feet of air per second.
约曼斯说，如果科学家能提前10年探测到一颗600英尺直径的小行星，就可以使用一颗两吨重，每秒速度6英里的弹道飞行器使其偏离轨道。
If scientists were to detect a 600-foot-wide asteroid ten years in advance, Yeomans says, it could be deflected with a two-ton projectile traveling six miles per second.
更令人印象深刻的是，该发动机每秒400牛顿(295磅-英尺)的扭矩可提供从静止到每分钟近6000转的转速。
I don't do it well. More impressively, the motor's 400 Newton-metres (295 lb-ft) of torque is available from rest to nearly 6,000 revolutions per minute.
更令人印象深刻的是，该发动机每秒400牛顿（295磅-英尺）的扭矩可提供从静止到每分钟近6000转的转速。
More impressively, the motor’s 400 Newton-metres (295 lb-ft) of torque is available from rest to nearly 6, 000 revolutions per minute.
飞船的薄膜有46英尺(14米)宽，但是任务的管理人员期望这将有助于推动伊卡洛斯飞船的速度可高达每秒328英尺(100米)。
The craft's thin membrane is just 46 feet (14 meters) wide, but mission managers expect it will help propel Ikaros up to 328 feet (a hundred meters) a second.
当遇到危险，它们就从树上跳到水里，然后直立身体，以每秒5英尺(1.5米)的速度在水面上奔跑。
When threatened, they can drop from a tree into the water and sprint, upright, about 5 feet (1.5 meters) per second across the surface.
赢得奖金的标准是，设计者的机械必须能够全程攀上长达一公里的轨道，同时平均速度不能低于每秒5米（16英尺）。
To win the competition, a vehicle has to climb all the way up the kilometre-long cable, travelling at an average speed of five meters (16 feet) per second.
Cant well教授在斯坦福出版的新闻稿中说，氧化氮能把发动机加热到华氏3,000度，排出氮气和氧气每秒钟5,000英尺。
In a Stanford press release, Cantwell says the nitrous oxide can heat an engine to almost 3, 000 degrees Fahrenheit and expel nitrogen and oxygen at 5, 000 feet per second.
在所有具有垂直落差的瀑布中，最大流量的瀑布为45英尺、每秒钟溢出250万加仑湄公河水的孔恩瀑布（KhoneFalls），它位于老挝和柬埔寨之间的边境上。
Of waterfalls that do include a vertical drop, the waterfall with the greatest volume is the 45-foot Khone Falls, on the border between Laos and Cambodia.
最大持续流量以管路流速每秒20英尺为计算基础。
Maximum continuous flow based on pipe line velocity of 20 ft. per second.
声音以声波形式在空气中传播，速度约为每秒1，115英尺 （340米）。
Sound travels through air in waves about 1,115 feet (340 meters) per second.
采用高密度、锂离子电池、仪器，包括其利用，重达20磅，一个人就可以了锚绳10英尺每秒，球说。
Using high-density, lithium-ion batteries, the device, including its harness, weighs 20 pounds and can propel a person up an anchored rope at 10 feet per second, Ball said.
咳嗽可导致气管的空气通过的速度超过音速—每秒超过一千英尺！
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
声音在空气中以每秒1100英尺的速度传播。
一只受惊的犰狳以18英尺每秒的速度跳向空中。
A startled armadillo jumps straight into the air with an initial velocity of 18 feet per second.
出口速度一般在每秒几百英尺左右。
The exit velocity is typically in the low-hundreds of feet per second.
Cant well教授在斯坦福出版的新闻稿中说，氧化氮能把发动机加热到华氏3,000度，排出氮气和氧气每秒钟5,000英尺。
In a Stanford press release, Cantwell says the nitrous oxide can heat an engine to almost 3,000 degrees Fahrenheit and expel nitrogen and oxygen at 5,000 feet per second.
按照物体坠落的规律，门窗开成直角形便导致每秒钟三十二英尺的穿堂风。
The door and window open at a right angle cause a draught of thirtytwo feet per second according to the law of falling bodies.
路易丝·莱恩下降，第二次在三十二英尺加快每一个初速度，每秒。
Lois Lane is falling, accelerating at an initial rate of 32ft per second, per second.
更令人印象深刻的是，该发动机的每秒400牛顿(295磅-英尺)的扭矩可提供从静止到每分钟近6000转的转速。
More impressively, the motor's 400newton-metres (295lb-ft) of torque is available from rest to nearly 6,000revolutions per minute.
更令人印象深刻的是，该发动机的每秒400牛顿(295磅-英尺)的扭矩可提供从静止到每分钟近6000转的转速。
More impressively, the motor's 400newton-metres (295lb-ft) of torque is available from rest to nearly 6,000revolutions per minute.
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