precession
英 [prɪˈsɛʃən]
美 [priˈsɛʃən]
网络 进动性; 运动; 歳差運動; 进动; 旋进
COCA.28486
英英释义
noun
- the act of preceding in time or order or rank (as in a ceremony)
- the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
双语例句
- Unitary time evolution as precession among these states.
处于这些态中进动的么正时间演化。 - Secondly, canonical transformations, Hamilton-Jacobi theory and action-angle variables were investigated, which made a foundation to study the precession of planets.
其次，我们介绍了经典力学中的正则变换、哈密顿-雅可比理论及作用角变量方法，为后面研究行星进动问题提供了方法。 - That gives you the frequency of the precession.
从而得到了旋进的运动频率。 - To study the problems of decoupling and eliminating precession for zero-momentum reaction wheel system, a new method to eliminate precession was put forward.
针对零动量轮卫星控制系统解耦和进动抑制问题，提出了一种新的进动抑制方案。 - The precession frequency goes up.
旋进的频率上升了。 - It is due to a phenomenon called the precession of the equinoxes.
这是由于岁差现象所导致。 - An example is periodic motion, such as the precession of a particle with intrinsic spin and magnetic moment in a constant magnetic field.
一个例子是周期运动，如一个带有自旋和磁矩的粒子在恒定磁场中的进动。 - He then accounts for the precession of the equinoxes.
然后他解释分点岁差。 - The theory of relativity also includes some more esoteric details, one of which is called spin precession.
相对论还包括一些更加深奥的细节，其中的一个被称作自转进动。 - Can be drived by wind from all directions without precession effect.
能接受任意风向的驱动，运行时不会产生进动效应；