这个现象被称作“进动”。
此陀螺运动叫做进动。
在全息非银进动。
文中给出了一种自动识别轴心轨迹进动方向的新方法。
This paper presents a new method for automatically identifying the axis trace moving direction.
着重论述了单黑洞—吸积盘进动模型或盘致进动模型；
The single black hole-accretion disk precession model or disk-driven precession model is discussed carefully;
气囊抛光工具的进动由一类特殊的2自由度空间机构实现。
Precession movement of bonnet tool polishing is realized by a spatial mechanism with 2 degrees of freedom (DOF).
然后，分析了原子在圆偏振光和外磁场作用下的拉莫尔进动。
Then Larmor precession of the atom under the action of circularly-polarized light and outside magnetic field is analyzed.
作为一个实例，介绍了如何将此法应用于进动离心机转鼓的设计。
As an example, this article will show how the method should be used in the design of the drum of tumbler centrifuge.
本课题在进动啮合理论的基础上，研究了锥摆线齿轮的加工装置。
The processing device used in cone cycloid teeth cutting was studied on the base of studying the theory of nutation engagement.
作为一个实例，介绍了如何将此法应用于进动离心机转鼓的设计。
As an example, this article will show how the method should be used in the design of the drum of tumbler...
振幅、相位、进动角速度在过临界后的波动频率随转速增加而增加。
The minimum and maximum of amplitude fluctuation correspond with the minimum of precession speed after the critical point on the response curve.
探讨了受水平、垂直和轴向振动激励下高速转子的进动与振动特征。
The whirl and vibration characteristics of high-speed rotors are investigated under the excitation of horizontal, vertical and axial vibrations in this paper.
本文对试验粒子在引力场中的轨道进动效应和引力加速效应进行了研究。
In this paper, we studied the precession and gravitation acceleration effects of a test particle in gravitational fields.
传统分析方法与进动分析方法的结合提高了故障诊断的准确性、可靠性。
And in the system, the combination of the traditional data analysis method and forward and backward whirl analysis method improves the veracity and reliability of fault diagnosing.
把磁力加在电子上，电子的两极会开始进动——它的转轴本身会绕圈圈。
Apply magnetic force to an electron, and its poles will precess-the axis itself rotates in a circle.
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。
An example is periodic motion, such as the precession of a particle with intrinsic spin and magnetic moment in a constant magnetic field.
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。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
本文将力学中角动量矢量的规则进动的概念拓展到任意数学或物理矢量之上；
This article extends the concept of regular precession of angular momentum vector to any mathematical and physical vector.
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。
Another test, involving the precession of a gyroscope in a satellite circling the earth, is scheduled for the 1970s.
提出两个关系，即进动周期—绝对星等的关系和黑洞质量—进动锥角的关系；
Two correlations have been raised and sustained by observational values, which are precession period - absolute magnitude correlation and black hole mass - precession cone semi-angle correlation;
本文推导出了使回转仪进动的惯性力偶矩公式及由进动产生的惯性力偶矩公式。
The paper deducts the formula of principal moment of inertial force system of gyroscope and the formula of its principal moment of inertial force system by its moving force.
进动周期下限可能远小于真实进动周期，此时自相关法的估计性能将严重下降。
However, the lower bound of the precession period provided may be far less than the true precession period, which will seriously degrade the estimation performance.
用史瓦西度规详尽地推导了太阳引力场，用广义相对论解释了水星近日点的进动。
This paper derives in detail the gravitational field of the sun by using the Schwarzschild metric, and expounds the advance of the Mercury's perihelion with the general theory of relativity.
即使有几千年的地球自转轴的进动，太阳仍然以天文意义上的方式从巨石阵上方升起。
Even given the precession of the Earth's rotational axis over the millennia, the Sun continues to rise over Stonehenge in an astronomically significant way.
该判据用永久转动角速度的大小而不是进动角速度的大小作为判别准则，较为合理。
This criterion is reasonable because it is not expressed in terms of the precessional velocity, but the angular velocity of the permanent rotation.
首先求出acf和其凸包的差函数，然后搜索差函数的最大值，从而得到进动周期的估计值。
The difference function between the ACF and the convex hull is obtained, and then the precession period is estimated by searching for the maximum value of the difference function.
首先求出acf和其凸包的差函数，然后搜索差函数的最大值，从而得到进动周期的估计值。
The difference function between the ACF and the convex hull is obtained, and then the precession period is estimated by searching for the maximum value of the difference function.
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