The largest ring begins to resonate first because it has the largest mass ( and so it has a low resonant frequency ) and because it is the least stiff of the rings ( also giving it a low resonant frequency ) 最大的环状物最先开始共振，因为他的质量最大（它的共振频率也因此较小）同时，因为它是所有中最不坚硬的，所以它的共振频率比较小。
