The primary incident wave period has a minor effect on the long period oscillations in Hwa-Lien Harbor, and the incident wave energy merely acts as an amplifier affecting the magnitude of the oscillations.

• 显示其发生机制中，波浪的主频相关性不大，而波浪能量可能仅是增幅的作用；并非台风波浪作用才会发生长周期振荡。