岁差，基本上是地球自转轴方向的改变。
Precession, basically is the change in the direction of earth's axis of rotation.
这个假说所包括的第三种运动叫做岁差。
There is a third movement the hypothesis covers called precession.
它有前向后推，因此称做一个岁差。
这是由于岁差现象所导致。
It is due to a phenomenon called the precession of the equinoxes.
春秋分点岁差：“我现在是什么星座？”
然后他解释分点岁差。
如果你要活上一百岁，那我就活一百岁差一天。
琼斯与艾森豪·威尔年岁差不多，是他多年好友。
Jones was Eisenhouwer's contemporary and had been his friend for many years.
地球自转运动包括岁差和章动，极移和日长的变化。
The rotation of the Earth includes precession, nutation, variations of the rotation rate and polar motion.
在各阶潮汐力矩的作用下，得到CIP轴岁差章动的表达式。
Under the effect of every order tidal moment, the expression of precession and nutation for the CIP axis is presented.
全球动力学扁率(H)是研究地球自转与岁差的一个重要物理量。
Global dynamic flattening (h) is an important parameter in the study of the Earth rotation.
因为地球有岁差数的问题，所以是按照1050BC的天象而定。
Because Earth has a number of precession of the problem, is determined in accordance with Sky 1050bc.
但他们很高兴能够与岁差相结合建立一个永恒的十二星座自我校准刻度。
But they were happy enough to have set up a self-calibrating, permanently accurate set of zodiac signs, aligned to the equinoxes.
由此对CIP轴进行了理论定义，并给出了其极移、岁差章动的动力学方程。
Therefore, the theoretical definition of CIP and its dynamical equation on wobble and precession-nutation are given.
石头是为了预言而完美地构建，可以看到更广阔的天文阵列，包括岁差运动。
The stones are perfect constructed for predicting and sighting a wide variety of astronomical alignments including the precession of the equinoxes.
由此对CIP轴进行了理论定义，并给出了其极移、岁差和章动的动力学方程。
Therefore, the theoretical definition of CIP and its dynamical equation on polar motion and precession-nutation have been given.
本文的理论对进一步研究在高阶岁差章动力矩作用下的内核地球章动是非常有意义的。
This paper is very importance to more studying theory of the inner core Earth's nutation, in view of influence of higher order moment of precession-nutation to the Earth rotation.
地球的地轴做了类似的事情，因为一种现象叫做岁差，现在所面对的是与5000年前不同的星星。
The Earth's axis in its orbit does the same thing because of a phenomenon called precession, and is now facing a different star than it did 5, 000 years ago.
岁差章动力矩是解释这些现象的前提条件，也是建立刚体地球章动序列的最主要方法之一。
The moment of precession and nutation is a prerequisite to explain these phenomena and one main way of building nutational serial of rigid Earth.
如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
What happens to the precession rate if the orbit around a black hole is made nearly as small as possible, i. e. a slight elongation of the innermost stable circular orbit?
这是由于岁差引起的。地球就像一个旋转的陀螺，经过2.6万年，现今黄道的位置比以前提前了一个月。
It is the result of a process called precession, where the Earth behaves like a spinning top, which takes 26,000 years and has at the moment moved the zodiac by about a month.
建模过程中，对岁差、章动等量的计算分别考虑了美国海军天文台1981年和2005年的两种天文标准。
In this modeling process, the precession, nutation and some other astronomical quantities are considered through two standards released by U. S. Naval Observatory in 1981 and 2005, respectively.
为此，在基于VLBI资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。
In the solution of high frequency variation of ERP from VLBI observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.
文章介绍了IAU1976岁差模型、IAU1980章动模型以及IAU2000 A岁差章动模型，并对不同的岁差章动模型进行建模仿真。
IAU1976 precession model, IAU1980 nutation model and IAU2000A precession-nutation model were presented, the differences were compared with IAU2000A precession-nutation model.
文章介绍了IAU1976岁差模型、IAU1980章动模型以及IAU2000 A岁差章动模型，并对不同的岁差章动模型进行建模仿真。
IAU1976 precession model, IAU1980 nutation model and IAU2000A precession-nutation model were presented, the differences were compared with IAU2000A precession-nutation model.
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