precession

1. 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。
2. 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。
3. I can show you the precession in another way which is, in fact, very intriguing.
   我用另一种方法展示旋进，事实上，很有趣的。
4. 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。
5. On the Precession of Planets with Action-angle Variables and General M(?) ller Transformation
   作用角变量方法研究行星进动和广义M（？）ller变换
6. He then accounts for the precession of the equinoxes.
   然后他解释分点岁差。
7. 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。
8. It is due to a phenomenon called the precession of the equinoxes.
   这是由于岁差现象所导致。
9. I had to apply it all the time and when I stopped the precession stopped.
   我必须一直这样，当我停下，旋进也停下了。
10. And if I make the torque higher, then the precession frequency will go up.
    如果我使力加大，旋进的频率就会上升。
11. The precession frequency goes up.
    旋进的频率上升了。
12. Control methods of gyro's precession for a certain kind of seeker were deduced and analyzed theoretically to realize precision control of the seeker for target seeking and tracking.
    为实现精确控制某型号导引头搜索和跟踪目标，从理论上推导和分析了该导引头中陀螺仪的运动控制方法。
13. The research status and recent progress of the spin wave emitting are reviewed, which is caused by spin-transfer torque and magnetization precession in the nanoscale magnetic multilayer.
    回顾了纳米磁多层结构中电流感应自旋矩传输和电流驱动磁化矢量进动引起的自旋波发射等新量子效应的研究现状及发展。
14. To move inor be subjected to precession.
    产生进动向前运动或被驱向前。
15. The sixth chapter made an experiment study upon the fluid oscillation characteristics of vortex precession flowmeter.
    论文第六章对旋进旋涡流量计的流体振动特性进行实验研究。
16. Precession Trend Analysis and Balancing Strategy for Rotors with Multi-fault
    多故障转子进动趋势分析与平衡策略
17. That gives you the frequency of the precession.
    从而得到了旋进的运动频率。
18. 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；
19. Three orbital elements of the Earth: precession, declination and eccentricity, and Milankovitch theory are introduced briefly.
    本文简介了黄赤交角、偏心率、岁差等地球轨道三要素和米兰柯维奇理论。
20. 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。
21. Spin precession and NMR.
    自旋的进动与核磁共振（NMR）。
22. It goes backward, and is therefore called a precession.
    它有前向后推，因此称做一个岁差。
23. Vector nature of angular momentum, precession, conservation of vector angular momentum ( its transfer between parts of a system), nutation.
    角动量的向量特性，进动，角动量守恒（它在系统内部之间的转移），章动。
24. Unitary time evolution as precession among these states.
    处于这些态中进动的么正时间演化。
25. Another test, involving the precession of a gyroscope in a satellite circling the earth, is scheduled for the 1970s.
    七十年代还安排了另一实验，它包括绕地球旋转的卫星中的陀螺进动性试验。
26. Precession is of utmost importance since it causes relatively rapid changes in coordinates d and б.
    岁差之所以特别重要是因为它引起坐标d和б比较迅速的变化。
27. According to the precession rule, the integrated drift error model of ESG in ESGM is given.
    按照进动规律，最终得到静电陀螺监控器中陀螺仪漂移误差模型的全量形式。
28. 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。
29. And now you will see an instantaneous increase in the precession frequency.
    你们能看到旋进频率的，瞬间上升。

noun

1. the act of preceding in time or order or rank (as in a ceremony)

   Synonym:    precedenceprecedency

2. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone