celestial meridian

常见例句

双语例句

• As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.
  MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进行观测。
• 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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