声速acoustic velocity;sonic velocity详细»
声速sonic speed详细»
声速acoustical velocity;sonic speed;sound velocity详细»
声速sonic velocity详细»
声速〔名词〕sound velocity详细»
声速sonic speed;sonic velocity;sound velocity;transonic speed详细»
声速sonic velocity;sound speed;speed of sound详细»
声速acoustic speed;acoustic velocity;acoustical speed;acoustical velocity;sound speed;sound velocty详细»
声速velocity of sound详细»
声速sound velocity详细»