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四川石琴和天坛回音壁、山西莺莺塔，以及河南蛤蟆塔一起被称为我国“四大回音建筑”。它们以其奇妙的回音现象成为我国宝贵的文化遗产，在世界建筑史、物理学史、声学史上亦属罕见，成为人类建筑艺术上不可多得的瑰宝。１９９０年８月、１９９３年６月，作者两次亲赴现场，对四川石琴声学现象及其历史进行考察，利用先进的测试分析仪器，运用物理学和声学的基本原理，对四川石琴进行了实验测试，通过对其回声的波形、频谱进行分析，揭开了四川石琴回声形成的机理。这为科学保护、合理利用石琴提供了科学依据，也为开发当地的旅游资源，促进经济繁荣起到积极作用。
Sichuan Shiqin and the Temple of Heaven’s echo wall, the Shanxi tower, and the Henan tower are collectively referred to as China’s “four major echoes.” They have become China’s precious cultural heritage with its wonderful echo, and it is rare in the history of world architecture, physics, and acoustics. It has become a rare treasure in human architectural art. In August 1990 and June 1993, the author went to the scene twice to inspect the acoustics and history of Sichuan Shiqin, using advanced test and analysis instruments, and applied the basic principles of physics and acoustics to conduct Sichuan Shiqin. The experimental test, through the analysis of its echo waveform and frequency spectrum, unveiled the mechanism of echo formation in Sichuan Shiqin. This provides a scientific basis for the scientific protection and reasonable use of Shiqin. It also plays a positive role in the development of local tourism resources and the promotion of economic prosperity.