Researchers revealed the video at the acoustical society of america meeting .
研究人員在美國聲學學會的一次會議上展示了這段視頻。
Vitruvius also added one of the great historical mysteries to the acoustical literature .
維特魯威還為聲學增加了一個重大的歷史之謎。
The ancient greeks were aware of other acoustical principles , at least empirically .
古希臘人也知道一些其他的聲學原理,至少在實踐上。
They 'll present the findings at a meeting of the acoustical society of america .
他們將在美國聲學學會會議上展示這次發現。
Gregorian chant grew out of the acoustical characteristics of the gothic cathedrals , and subsequently baroque music was written to accommodate the churches of the time .