precession meaning in English
n.
1.前行，先行。
2.前进运动，进动；【天文学】岁差。
短语和例子
adj.
-al
岁差的；进动的。
Examples
- This gyroscopic motion is called precession .
此陀螺运动叫做进动。 - He then accounts for the precession of the equinoxes .
然后他解释分点岁差。 - The so-called lunisolar precession is caused by the inequality of the moments of inertia of the earth .
所谓日月岁差，是由于地球转动惯量的不相等造成的。 - The tilting of the gyro continues until the erection torque balances the torque producing the precession .
陀螺继续倾斜直至修正力矩与产生进动的力矩平衡。 - Another characteristic of sun-earth system is the gradual precession of the equinoxes and solstices along the orbit .
日地系统的另一个特点是二分点和二至点沿轨道逐渐运动。