The aeroplane will travel at twice the speed of sound.
飞机将以两倍于音速的速度飞行。
The new airplane flies twice the speed of sound.
这架新飞机的飞行速度是音速的两倍。
The new airplane flies at twice the speed of sound.
这架新式飞机以两倍于音速的速度飞行。
How can we calculate the speed of sound?
我们怎样计算声音的速度？
The jet can fly at twice the speed of sound.
这喷气式飞机能以两倍于音速的速度飞行。
The speed of sound also depends on Young's modulus.
声速也同样，取决于杨氏模量。
Thee new airplane flies at twice the speed of sound.
这架新式飞机以两倍于音速的速度飞行。
When did the first measurement of the speed of sound take?
第一次测量声速是在什么时候？
Scramjets engines can not start until the plane flies faster than the speed of sound.
超高速冲压喷气发动机引擎在飞机超过音速的情况下不能启动。
Detonation is propagation of a combustion-driven shock wave at or above the speed of sound.
爆轰是一种以冲击波为特征，以超音速传播的爆炸。
Rings like this can form as an aircraft traveling low over the water nears the speed of sound.
当飞机在水面上以接近音速的速度飞行时就有可能产生这样的圆环。
The X-51A burned for more than 200 seconds and accelerated the craft to five times the speed of sound.
X-51A起动超过200秒，促使飞行器速度提高到音速的五倍。
He would exceed the speed of sound within the first 40 seconds and eventually approach 1, 000 miles an hour.
在下落的前40秒内，他将超越音速，最终他的下降速度可达到1000英里每小时。
But even if they make it to market soon, don't expect to be zipping around the country at the speed of sound.
即使这些飞机很快的投入市场，也不要期待以音速飞行的飞机可以在国家间呼啸而过。
A sonic boom is the loud crash and shaking that happens when a jet plane goes faster than the speed of sound.
声爆是当喷气式飞机超音速行驶时产生的巨大碰撞和摇动声。
The speed of sound increases slightly with a rise in temperature and falls with a decrease in temperature .
温度的升高或降低对声音传播速度的变化并不产生明显的影响。
The speed of sound in water is roughly one mile a second - slower than through land but faster than through air.
声音在水中的速度是大约一英里第二-慢于通过土地，但比在空气中快。
The plant would store cheap "off peak" electricity in 2,500-pound flywheels that turn faster than the speed of sound.
这座储能厂会把“闲时”的电力储存在2500磅的飞轮电池中。 飞轮的轮缘线速度之高，超过声速。
The speed of sound is - 340 meters per second-- - it depends a little bit on the temperature-- about 770 miles per hour.
声音的速度是,340米/秒-,它有些取决于，气温-,大概是770公里/小时。
The shape of the Super Hornet, which can travel at up to 1, 370mph - 1.8 times the speed of sound - encourages the cone to form.
超级大黄蜂的最高时速可以达到1370英里每小时（2205公里/小时），这个速度是音速的1.8倍。 如此之高的飞行速度和它的外形设计使超级大黄蜂易于形成蒸汽锥。
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.
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。
the warhead separates a few dozen kilometres away and then accelerates from almost the speed of sound to about three times as fast.
在几千米外，主弹头分成几十个小弹头，然后从亚音速状态下加速到大约三倍音速的速度。
One of the primary attributes of deflagration is that the flame travels at a speed significantly lower than the speed of sound.
对爆燃的主要特征之一，是火焰的速度大大低于音速的降低旅行。
It was first suggested in 1995 that the intense pressure waves, which can briefly exceed the speed of sound, could come from trombones.
在1995年，人们首次提出，长号能产生一种高能压力波，它的速度能略超音速。
Their data showed that the speed of part of the condensate exceeded the speed of sound, and they had therefore made an acoustic event horizon.
之后他们压缩减压能产生声波的这种气体。数据表示部分冷凝物的速度超过声速，因此他们制出了声音的黑洞边界。
As myriad technologies mature, new sorts of aircraft become possible. Unmanned aircraft have flown at more than five times the speed of sound.
因为诸多技术已经成熟，新型飞机问世不是没有可能，无人机能以五倍音速以上巡航。
As myriad technologies mature, new sorts of aircraft become possible. Unmanned aircraft have flown at more than five times the speed of sound.
因为诸多技术已经成熟，新型飞机问世不是没有可能，无人机能以五倍音速以上巡航。
应用推荐