The errors of the circle of a meridian circle will immediately affect the precision in determining celestial bodies' declinations.
刻度盘的误差，是子午环固有的仪器误差之一，它直接影响了天体赤纬的测定精度。
The errors of the circle of a meridian circle will immediately affect the precision in determining celestial bodies' declinations.
刻度盘的误差，是子午环固有的仪器误差之一，它直接影响了天体赤纬的测定精度。
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