precession中文什么意思

n.
1.前行，先行。
2.前进运动，进动；【天文学】岁差。
短语和例子
+更多解释...precession of the equinoxes 【天文学】(分点)岁差。adj.
-al
岁差的；进动的。

• adjustment for precession:    进动修正
• angle of precession:    进动角; 旋进角
• annual precession:    年岁差

例句与用法

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1. This gyroscopic motion is called precession .
   此陀螺运动叫做进动。
2. He then accounts for the precession of the equinoxes .
   然后他解释分点岁差。
3. 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。
4. 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。
5. 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。

英文释义

名词

1. the act of preceding in time or order or rank (as in a ceremony)
   同义词：precedence, precedency
2. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone