| 1. | The sound waves from the plane can speed on ahead of the plane .
来自飞机的声波能跑到飞机的前面。
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| 2. | Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency .
假定两个扬声器都发射恒定频率的纯正弦声波。
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| 3. | It is important to recall that a sound wave in a nonhomogeneously deformed material cannot be a plane wave .
重要的是要记得，非均匀变形材料中的声波不可能是平面波。
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| 4. | Since sound waves are longitudinal, only one dimension need be considered to obtain the sound wave solution .
由于声波是纵波，所以为了得到其解，只需考虑一维就行了。
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| 5. | All the weapons in the museum discharged at once could not have more violently set in motion the sound waves .
即使这个炮兵博物馆里所有的武器一起开火，也不会更厉害地扰乱声波。
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| 6. | Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity .
最后，在很远的距离处，爆震波基本上就变成一种声波，其速度已接近周围的声速。
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| 7. | The advantages of acoustical techniques reside in the fact that sound waves can propagate considerable distances in dense liquids and solid where light cannot .
声学方法的优点在于声被在稠密液体或固体中可以传播很远，而光却不能。
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| 8. | A tuning fork transmits sound waves through the air
音叉通过空气传播声音。
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| 9. | Sound wave of grass carp ' s enclosure culture area
草鱼网围养殖区声波的研究
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| 10. | Air is the medium by which sound waves are conveyed
空气是声波传导的媒介
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