短語詞組短語local velocity of sound 局部聲速surveying velocity of sound 聲速測定velocity of sound modified 聲速修正at the velocity of sound 以音速velocity of sound in air 空氣中聲音的速率compesation of velocity of sound 聲速補償temperature -velocity of sound 溫度velocity of light or sound 光速或聲速measurement of sound velocity 聲速測量sound velocity of liquid 液體聲速 返回 velocity of sound