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五台山显通寺中的云牌是一种寺庙乐器,为了研究它的音响特性,我们应用激光全息摄影,用时间平均法对云牌的模拟品进行了测试,得到了云牌各固有频率的振动模式。
In order to study its acoustic characteristics, we use laser holography to test the cloud card simulants with the time average method, and get the vibration modes of each natural frequency of the cloud card .