With the increases of the inclined angle and the mass ratio, the resonance amplitude will decrease when the frequency ratio is 1, but it will increase obviously when the frequency ratio is 1/2 and 2.

• 随着拉素倾角和桥面与拉索质量比的增大，桥面与拉索的频率比为1时，拉索的共振振幅减小，而桥面与拉索的频率比为1/2和2时，共振振幅将明显增大。