百度作业网英语翻译Wave speed in a mediumThe speed of a mechanical wave is
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英语翻译
Wave speed in a medium
The speed of a mechanical wave is constant in a given ,medium .The speed depends only on the properties of that medium .If the frequency of a wave in a given medium is changed ,then the wavelength is changed .Figure 15-7 shows two waves produced at different times in the same medium.The wavelengths and the frequencies of the waves are different .
Wave speed in a medium
The speed of a mechanical wave is constant in a given ,medium .The speed depends only on the properties of that medium .If the frequency of a wave in a given medium is changed ,then the wavelength is changed .Figure 15-7 shows two waves produced at different times in the same medium.The wavelengths and the frequencies of the waves are different .
介质中的波
在给定的介质中机械波的速度是恒定的,而波速取决于该介质的特性.如果在某一设定介质中波的频率发生改变,则此波的波长亦随之改变.图15-7显示了在同一介质中在不同时间的两个波,它们的频率和波长各不相同.
在给定的介质中机械波的速度是恒定的,而波速取决于该介质的特性.如果在某一设定介质中波的频率发生改变,则此波的波长亦随之改变.图15-7显示了在同一介质中在不同时间的两个波,它们的频率和波长各不相同.
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