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所谓回音,亦称回声,俗称应声。它是由声音遇到障碍后反射返回的一种声音。我国古代劳动人民巧妙地运用回音的原理建造的回音建筑有很多,现存的最为著名的有四处,它们是重庆的大佛寺石琴、北京的天坛回音壁、山西的普救寺塔和河南的蛤蟆塔。重庆潼南县大佛寺石琴重庆潼南县大佛寺石琴位于涪江岸边,有三十六级石梯,似一把巨
The so-called echo, also known as echo, commonly known as the sound. It is a kind of sound that is reflected by the sound after it encounters obstacles. There are many echo structures built by clever use of the principle of echo in ancient Chinese laborers. There are four most famous existing echoes. They are the Great Buddha Temple in Chongqing, the Temple of Heaven echo in Beijing, the Pu’er Temple Tower in Shanxi and the temple in Henan. tower. Chongqing Yinan County Great Buddha Temple Shiqin Chongqing Yinan County Great Buddha Temple Shiqin is located on the banks of the Lijiang River and has 36 stone stairs, which may seem like a giant