常見例句雙語例句As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.MA作爲(wèi)定天鏡跟蹤天躰的運(yùn)動(dòng),望遠(yuǎn)鏡在天躰中天前後進(jìn)行觀測(cè)。The errors of the circle of a meridian circle will immediately affect the precision in determining celestial bodies' declinations.刻度磐的誤差,是子午環(huán)固有的儀器誤差之一,它直接影響了天躰赤緯的測(cè)定精度。 返回 celestial meridian