1590s, from Late Latin praecissionem (nominative praecissio) "a coming before," from past participle stem of Latin praecedere "to go before" (see precede). Originally used in reference to calculations of the equinoxes, which come slightly earlier each year.
雙語例句
1. He then accounts for the precession of the equinoxes.
然后他解釋分點歲差.
來自辭典例句
2. This gyroscopic motion is called precession.
此陀螺運動叫做進動.
來自辭典例句
3. The tilting of the gyro continues until the erection torque balances the torque producing the precession.
陀螺繼續(xù)傾斜直至修正力矩與產(chǎn)生進動的力矩平衡.
來自辭典例句
4. Finally, physics about precession sorted by precession mechanism are presented curtly.
最后, 試介紹進動物理方面的基本知識,以進動機制分類對進動做了總結(jié).
來自互聯(lián)網(wǎng)
5. Then, a simple discussion on solitary precession cone semi - angle follows.