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太阳系动力学
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  solar system dynamics
     The dynamics study of the Kuiper Belt Objects (KBOs) is one of the research front fields in the Solar System dynamics nowadays.
     Kuiper带天体(KBOs)的动力学研究是当前太阳系动力学研究的前沿领域之一。
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     A new subject of the solar system dynamics, the orbit dynamics of the Kuiper Belt Objects, is reviewed in this paper.
     主要评述太阳系动力学研究的一个新方向——Kuiper带的轨道动力学。
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     Comparison of Several Symplectic and Quasi-Symplectic Methods in Solar System Dynamics
     太阳系动力学中几种辛和类辛方法的比较
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     The Near-Earth Asteroids(NEAs) are now highly paid attention to by the world for their special relationship with the Earth, and the study began in the 1950′s, while it has become a pop topic in the solar system dynamics recently.
     近地小行星由于与地球的特殊关系为世人所瞩目, 对其研究始于50 年代, 近年来已成为太阳系动力学中的一个热门课题。
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     The article also points out that the link of the observations carried out on both the southern and northern hemispheres and the realization of the absolute determination of the positions of stars in the whole zodiac and those of celestial bodies in the solar system with an instrument system are of quite important significance in improving the fundamental coordinate system of reference and providing necessary data for the researches on the solar system dynamics.
     指出在南北半球观测的联结方面,在同一架仪器的系统中实现整个黄道带恒星位置和太阳系天体位置的绝对测定方面,对于改善基本参考坐标系和为太阳系动力学研究提供基本资料,将有十分重要的意义。
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  “太阳系动力学”译为未确定词的双语例句
     THE CURRENT IMPORTANT TASKS IN THE DYNAMICS OF SOLAR SYSTEM
     太阳系动力学中当前的重要课题
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     The laser astrodynamical space mission with single spacecraft (ASTROD I) aims to perform laser intefferometric tracking and pulse ranging with ground stations(ODSN: Optical Deep Space Network) to probe into astrodynamics, test relativistic gravity and better the solar-system dynamical parameters.
     单航天器激光天文动力学空间计划(ASTROD Ⅰ)是利用航天器与地面深空探测站进行激光干涉跟踪和脉冲计时测距来探讨天文动力学、爱因斯坦引力论和改进太阳系动力学参数。
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     The PMOE 2003 planetary ephemeris framework has been constructed on the bases of the dynamical model of the solar system of Zhang Jiaxiang, and the CGC2 Ephemeris Framework of Tang Chien-Jen, Ni Wei-Tou et al.
     我们在张家祥太阳系动力学模型和汤健仁、倪维斗等CGC 2星历框架的基础上建立了PMOE 2003精密行星月球历表框架。
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  相似匹配句对
     THE CURRENT IMPORTANT TASKS IN THE DYNAMICS OF SOLAR SYSTEM
     太阳系动力学中当前的重要课题
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     Dynamics of Rational Functions
     有理函数的动力学
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     Dynamics of Enzyme Catalysis
     酶催化动力学
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     SIGHTSEEING IN THE SOLAR SYSTEM
     在太阳系观光
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     Comparison of Several Symplectic and Quasi-Symplectic Methods in Solar System Dynamics
     太阳系动力学中几种辛和类辛方法的比较
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  solar system dynamics
In Solar System Dynamics, a barycentric coordinate time is needed.
      
Because of the restriction to the Commission 7 members, the answers are mainly from astronomers in the solar system dynamics and problems mentioned in the answers are also related to celestial bodies in the solar system.
      
The new scheme provides a similar advantage of computational speed for a larger class of problems in Solar System dynamics.
      
The efficiency of this technique is demonstrated by several tests performed for typical problems of Solar System dynamics.
      
Symplectic methods have been widely used in Solar System dynamics.
      
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The paper relates in brief the method of absolutely determining the position of a celestial body with a traditional meridian circle and its limitation of being not applicable to low latitudes. According to the way of the absolute determination of meridian circle parameters by observing stars with the prime vertical in low latitudes, the possibility and necessity of absolutely determining the position of a celestial body in low latitudes are described. The article also points out that the link of the observations...

The paper relates in brief the method of absolutely determining the position of a celestial body with a traditional meridian circle and its limitation of being not applicable to low latitudes. According to the way of the absolute determination of meridian circle parameters by observing stars with the prime vertical in low latitudes, the possibility and necessity of absolutely determining the position of a celestial body in low latitudes are described. The article also points out that the link of the observations carried out on both the southern and northern hemispheres and the realization of the absolute determination of the positions of stars in the whole zodiac and those of celestial bodies in the solar system with an instrument system are of quite important significance in improving the fundamental coordinate system of reference and providing necessary data for the researches on the solar system dynamics.

本文简述了传统的子午环绝对测定天体位置的方法及其不适用于低纬度地区的局限性。根据在低纬度地区用卯酉圈观测绝对测定子午环参数的方法,阐述了在低纬度地区进行天体位置绝对测定的可能性和必要性。指出在南北半球观测的联结方面,在同一架仪器的系统中实现整个黄道带恒星位置和太阳系天体位置的绝对测定方面,对于改善基本参考坐标系和为太阳系动力学研究提供基本资料,将有十分重要的意义。

This paper synthetically reviews a new establishing discipline -Relativistic Celestial Mechanics. It includes basic theory and motion theory for the specific bodies.The former can be devided into the relativistic dynamics of system of particles and the relativistic dynamics of extended bodies, and the latter further confains the relativistic dynamics of solar system bodies and the relativistic dynamics of stellar systems. At last,the newest DSX theory is introduced briefly.

本文综合评述正在建立的一门新学科──相对论天体力学,其中包括基础理论课题(分为相对论质点组动力学和相对论延伸体动力学)和具体天体运动理论课题(又分为相对论太阳系动力学和相对论恒星系统动力学)。最后对最新建立的系统理论DSX方法作简短介绍。

The restricted three-body problem is a Hamiltonian dynamical model usedusually in dynamics of the solar system. At present, Numerical methods are mainly adoptedfor some important problems. It is due to the fact that the mathematical tools or methodsare poor. But, in order to understand the evolution of the solar system, it needs to dolong-term tracking computations. Hence the requirement for algorithms is very high, thatis to say, the algorithms must maintain the global characteristics of the motions. Thesymplectic...

The restricted three-body problem is a Hamiltonian dynamical model usedusually in dynamics of the solar system. At present, Numerical methods are mainly adoptedfor some important problems. It is due to the fact that the mathematical tools or methodsare poor. But, in order to understand the evolution of the solar system, it needs to dolong-term tracking computations. Hence the requirement for algorithms is very high, thatis to say, the algorithms must maintain the global characteristics of the motions. Thesymplectic algorithms just satisfy the requirement. In this paper, an explicit symplecticdifference scheme has been constructed for circular and elliptic restricted three --bodyproblem in the rotative coordinate system by means of algorithm composition, respectively.Some computational examples have shown the scheme is effective.

限制性三体问题是太阳系动力学中常采用的一种力学模型,是一哈密顿(Hamilton)系统.由于数学工具的不够,一些重要问题只能进行数值研究,但要了解系统的演化状况,必须进行长期跟踪计算.因此,对算法要求极高,应能保持运动的整体特征,而Hamilton系统的辛算法正符合这一要求,文章将利用算法合成构造旋转坐标系中圆型和椭圆型限制性三体问题(对应不可分Hamilton系统)的显式辛差分格式,并以计算实例表明方法的有效性.

 
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