Conveniently , epidaurus ' s threshold is about 500 hertz 在埃皮达鲁斯，这种极限频率恰好是500赫兹。
2.
Epidaurus ' s perfect acoustics are indeed the result of what its audience sits on 埃皮达鲁斯那些剧院所产生的完美效果实际上来自于坐在那里的观众。
3.
After lunch a short drive to epidaurus for a tour of its amazingly well preserved 2 , 300 - year - old open - air theater and the fantastic surrounding 继续前往艾帕迪奥斯，她的圆形剧场之设计及音响工程的规划至今无人能出其右。
