From the torque curve ( figur 3 ), we can see the anti-torque rigid degree of DHS is 55.39N . angle .
在扭矩-扭角曲线上（见图3），可以看出DHS的抗扭刚度达55.39N。
A discussion on the Lissajous figur
关于李萨如图形的讨论
figur