adj. precessional
全球动力学扁率(H)是研究地球自转与岁差的一个重要物理量。
Global dynamic flattening (h) is an important parameter in the study of the Earth rotation.
这个假说所包括的第三种运动叫做岁差。
There is a third movement the hypothesis covers called precession.
岁差，基本上是地球自转轴方向的改变。
Precession, basically is the change in the direction of earth's axis of rotation.
应用推荐