nutation,cessation

【预订】nutation and the earth s rotation 9789027711144
pt基础:什么是骶髂关节的点头运动(nutation)?
申请入驻> 骶骨有相对于髋骨稍微往前倒的能力,称之为点头(nutation)
of rotation: including the theory of precession and nutation
of rotation: including the theory of precession and nutation