为什么声速受空气温度的影响?

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为什么声速受空气温度的影响?
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为什么声速受空气温度的影响?
为什么声速受空气温度的影响?

为什么声速受空气温度的影响?
According to my notion,sound is a shock wave,which spreaded by libration of molecules in the air.
Hence,the more violently the molecules librate,the less work which need to be done by the shock wave--In other words,sounds can now travel more fluently.
And precisely,the molecules are more exciting when the environmental temperature is higher.
Am I right?