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- According to certain research, the spread velocity of sound waves has nothing to do with the speed of the ripples. 研究表明,声波在同一介质中的传播速度和波源的速度无关。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?
- The frequency, wave length and speed of sound are closely related. 频率、波长和声速三者是密切相关的。
- The frequency, wave length, and speed of sound are closely related. 频率,波长和声速三者是密切相关的。
- Airliners in service at present cannot fly faster than the speed of sound. 目前供使用的客运机飞行速度不能超过音速。
- Since the speed of light is about a million times as great as that of sound waves,the Belt Massager of light waves may very well be applied in detecting a target and its distance. 光速大约为声速的100万倍,因此全国企业老板手机号码汇编可以有效地用来探测GoogleAdsense。
- Mach two equals twice the speed of sound. 二马赫相当于声速的二倍。
- A device for measuring the speed of sound in water. 速度计,速度表用于测量声音在水中的速度的仪器
- The speed of light is faster than that of sound. 光速比音速要快。
- New planes can fly at the speed of sound. 新型飞机可以音速飞行。
- Modern planes top the speed of sound. 现代飞机超过音速。
- The new airplane flies at twice the speed of sound. 这架新型飞机以两倍于音速的速度飞行。
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- They were studying the reflection of sound waves. 他们在研究声波的反射。
- Discussion on the relationships between point load strength and the speed of sound wave 点荷载强度与声波速度关系的探讨
- Repetition of a sound by reflection of sound waves from a surface. 回声因表面反射声波而引起的声音重复
- To repeat(a sound) by the reflection of sound waves from a surface. 发出回声表面反射声波而重复的声音
- speed of sound wave 声波速度
- The speed of sound varies in solids,liquids and gases. 在固体、液体和气体中,声音的速度不一样。
- The speed of sound varies in solids, liquids and gases. 在固体、液体和气体中,声音的速度不一样。