基本解释[天] 赤緯軸；偏差軸；斜軸词组短语短語declination å axis 赤緯軸declination E axis 偏差軸hour angle -declination axis mount 時角赤緯軸座架Declination angle of sight axis 眡軸偏角declination axis更多词组专业释义地球科學偏差軸天文學赤緯軸