proper motion in declination
... 赤纬轴 declination axis 赤纬自行 proper motion in declination 冲 opposition ...
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分析了章动常数误差与用连锁法计算的赤纬、自行改正之间的关系，并考虑了改正这种影响的方法。
The relation between the error of nutation constant and the corrections of declinations, proper motions calculated by chain method is analysed, and the method to correct this effect is considered.
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