After some treatment of centripetal force , he deduces Kepler's third law.在向心力的一些论述之后，他推出了开普勒的第三定律。After some treatment of centripetal force, he deduces Kepler's third law.在向心力的一些论述之后, 他推出了开普勒的第三定律.It is called...
It is called the centripetal acceleration.这叫做向心加速度.After some treatment of centripetal force, he deduces Kepler's third law.在向心力的一些论述之后, 他推出了开普勒的第三定律.the centripetal effects of a homogeneous population同类人种倾向集中的作用Aft...