The resonance phenomena do not occur when the oscillation frequency is less than 78.The yawing can apparently attenuate the angular displacement of both the tail and the attack angle of tail fin.

• 鱼体和尾鳍推进机构质量比小于78,没有出现共振现象; 艏摇的存在会明显的衰减尾柄主臂和尾鳍攻角的角位移。