She was the first woman to pilot a jet airplane faster than the speed of sound.
因为她是第一个飞行速度比声音传播速度还快的女性飞行员。
BAC's supersonic jet was capable of twice the speed of sound and beautiful to look at too.
法国宇航公司与美国的超音速客机能够两倍音速和美丽看太多。
Measurements of the speed of sound have shown that sound travels faster in water than in air.
与在空气里相比，声音的速度的尺寸已经显示声音迅速在水里传播。
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。
Aerospatiale and BAC's supersonic jet was capable of twice the speed of sound and beautiful to look at too.
法国宇航公司与美国的超音速客机能够两倍音速和美丽看太多。
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。
Flow velocity, at this location, can never exceed the local speed of sound, and is said to be in a choked condition.
流速，在这个位置，绝不能超过当地音速的，据说是在一个呛条件。
A new method measuring speed of sound in a weak scattering fluid is proposed by using the ultrasound - modulated light.
本文介绍一种利用超声调制光波现象测量超声波在弱散射液中传输速度的方法。
The right calcaneus speed of sound decreased significantly at the age of 41-50 years in male, and at 51-60 years in female.
男性右跟骨超声声速值出现明显下降的年龄是41～50岁，女性出现明显下降的年龄是51～60岁。
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。
As an aircraft approaches higher speeds close to the speed of sound trim will be changed automatically to keep the fuselage level.
当飞机接近音速飞行时，配平会自动调节来确保机身的水平。
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。
If you encounter a sonic boom, is that evidence that an aircraft of some sort exceeded the speed of sound moments ago to become supersonic?
如果你听到了音震，是否可以说明刚刚有飞行器或类似于飞行器的物体以音速飞行从而产生了音震？
However, the flight still managed to return 139 seconds of aerodynamic data at a velocity between 17 and 22 times the speed of sound, Darpa said.
然而，Darpa表示，在以17到22倍音速飞行的状态下，飞机还是回传了139秒的空气动力学数据。
Then the Enterprise's rocket motors will ignite, accelerating the ship to three times the speed of sound, taking it up over the Earth's atmosphere.
然后，火箭发动机点火启动，飞船提速达到3倍音速，升入地球的大气层上空。
Then the Enterprise's rocket motors will ignite, accelerating the ship to three times the speed of sound, taking it up over the Earth's atmosphere.
然后，火箭发动机点火启动，飞船提速达到3倍音速，升入地球的大气层上空。
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