... precession旋进 precession cone旋进锥 precession of a top陀螺的旋进 ...
2
?进动角锥
... precession 进动;岁差 precession cone进动角锥 precession of the equinoxes 二分点进动;岁差 ...
3
?岁差锥
... 岁差圈 precession circle 岁差系数 precession coefficient 岁差锥precession cone ...
双语例句
1
Two correlations have been raised and sustained by observational values, which are precession period - absolute magnitude correlation and black hole mass - precessioncone semi-angle correlation;