单词：precession
音标：[pri'seʃәn] ；
n. 先行, 优先
[化] 进动; 旋进
[化] 进动; 旋进
n. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
n. the act of preceding in time or order or rank (as in a ceremony)
n. the act of preceding in time or order or rank (as in a ceremony)
词型变化：名词复数形式 : precessions
词性分布：
precession的用法和样例：
例句
用作名词(n.)
- In the third chapter, precession cone semi-angle is discussed.第三章主要讨论进动锥角的问题。
- Spacecraft tracking could look for a similar precession of Mars's orbit.利用追踪太空船，也可以找寻火星轨道类似的进动。
- It goes backward, and is therefore called a precession.它有前向后推，因此称做一个岁差。
- He then accounts for the precession of the equinoxes.然后他解释分点岁差。
词汇搭配
- lunisolar precession日月岁差
- real precession真实进动
- Larmor precession拉莫尔旋进,拉莫尔进...
- gyro precession陀螺进动性
- precession camera旋进照相机
- precession motor进动电动机
- precession angle岁差角
- precession gyroscope进动陀螺仪,进动回转...
- precession rate进动速度
- mechanized precession机械进动
- apparent precession视漂移
- planetary precession行星岁差
- orbital precession轨道旋进
- precession axis旋进轴
【近义词】