天坛皇穹宇三音石声学现象的实验测试和初步分析

The Finst Test and Analysis for Aconstical Effect of the Triple-Sound Stones in the Temple of Heaven

天坛皇穹宇回音壁、三青石和圜丘坛的奇妙的声学现象，使天坛成为我国四大回音建筑之首。作者对皇穹宇三音石的声学现象进行了实验测试和初步分析，基本上揭开了三音石回声现象之谜。

In this paper, we will giver test analysis of acoustical effect of the Triple-soundStones for the Firct time in the Temple of Heaven, Thus further reveal the mystery of the Tri ple-Sound stones in the Temple of Heaven.