岁差常数
suì chā chánɡ shù
- 名Precession constant;precessional constant
岁差常数-
岁差常数改正及FK5和Hipparcos自行系统
Precessional Correction and the Proper-Motion Systems of FK5 and Hipparcos
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本文讨论FK5、新岁差常数，新章动理论的采用引起测时测纬结果的变化。
In this paper , the changes in time and latitude determinations caused by using FK5 , new astronomical constants , new nutation series are discussed .
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岁差常数的测定
Determination of the Precession Constant
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简要介绍了岁差常数的测定原理及其历史沿革，详细说明了用恒星自行测定岁差常数的方法及其有关问题。
Brief accounts on the determination principles of the precession constant and its history are offered , elucidating in detail the methods and relative problems of the determination by means of proper motions of stars ;