- precession
- [pri'seʃən]
- n. 岁差（等于precession of the equinoxes）；先行；优先
同义词
参考例子
- 1.Spacecraft tracking could look for a similar precession of Mars's orbit.
- 利用追踪太空船，也可以找寻火星轨道类似的进动。
- 2.Due to lunar precession, this time is longer than that if the perigee's position was fixed.
- 由于月岁差的关系，这个时间比近地点不变的情况下所需之时间长。
- 3.We used weak pulses of light to monitor the precession, in effect obtaining stroboscopic images of the spin dynamics.
- 我们用弱光脉冲来观测进动，取得了自旋运动的频闪观测影像。
英文解释
- n.
- 1.the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out
- 2.the act of preceding in time or order or rank (as in a ceremony)
网络释义
- precession
- 岁差; 进动; 旋进（进动），向前运动; 旋进;
- backward precession
- 逆旋进; 反进动;
- orbital precession
- 轨道旋进; 轨道进动;
- precession camera
- 旋进照相机; 章动单晶照像仪; 进动照相机; 旋进照相机, 布依格照相机;
- precession angle
- 岁差角; 进动角;