常見例句雙語例句Newton had discovered the isothermal velocity of sound in air.牛頓發(fā)現(xiàn)了在空氣中恒溫聲音的速度。According to certain research, the spread velocity of sound waves has nothing to do with the speed of the ripples.表明，聲波在同一介質(zhì)中的傳播速度和波源的速度無關。A new method of measuring the velocity of sound in the atmosphere is proposed, which uses fixed journey system, comparing to that used varied journey system before.提出用固定行程系統(tǒng)測量空氣中聲速的新方法，與以往所用的變化行程系統(tǒng)進行比較。dxwl.n04.n.f2us.com權威例句Mach is a measure of the ratio of the velocity of an object, in this case a plane, to the velocity of sound, which equals Mach 1, or 761.2 miles per hour.FORBES: Magazine Article 返回 velocity of sound