circle of declination是什么意思、英文翻译及中文解释
circle of declination
词语: circle of declination
解释: 赤纬圈
词典: 船舶专业英汉词典
circle of declination 相关解释
赤纬圈 declination parallel
赤纬圈 circle of declination;parallel of declination
赤纬圈 astronomic parallel;parallel of declination
赤纬圈 parallel of delination
赤纬圈 circle of equal declination;declination circle;parallel of declination