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天坛是世界上最大的祭天建筑群。天坛回音壁、三音石和圜丘坛的奇妙声学现象更是举世闻名,被列为我国山西莺莺塔的普救蟾声、河南宝轮寺蛤蟆塔、四川石磴琴声四大回音建筑之首。1994年3月26日晨,作者又在天坛皇穹宇内新发现了一个对话石声学现象。对活石声学现象比回音壁、三音石声学现象更加显著,同时它又处于回音壁、三音石所在地皇穹宇内,下面让我们简单介绍一下天坛对话石声学现象的形成机理。
The Temple of Heaven is the world’s largest building for worship. The wonderful acoustic phenomena of the Temple of Heaven’s Echo Wall, Sanyin Stone, and Suanqiu Altar are world-famous. They are listed as the four-tone echoing building of the Shanxi Pagoda in Shanxi Province, the towers of Baotun Temple in Henan Province, and the sound of Sichuan Shiqin. first. On the morning of March 26, 1994, the author discovered a new phenomenon of dialogue stone acoustics in the Temple of Heaven. The acoustic phenomena of living stones are more pronounced than those of whispering and triphonic sounds. At the same time, they are in the emperor’s temple where the whispering gallery and the tri-tone stone are located. Let us briefly introduce the formation mechanism of the dialogue acoustics phenomenon in the Temple of Heaven.