precession [prɪ'seʃən]

例句:

• He then accounts for the precession of the equinoxes.
  然后他解释分点岁差.
  来自辞典例句
• This gyroscopic motion is called precession.
  此陀螺运动叫做进动.
  
• 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.
  
• It has slipped out of view since then due to precession.
  来自SA
• These periods are caused by eccentricity, axial tilt, and precession of the Earth's orbit.
  来自BBC
• The moon is the main reason why the tilt and precession are held to a relatively small range.
  来自SA