短語詞組短語Declination tracking 方位跟蹤declination axis [天]赤緯軸;斜軸;偏差軸;偏轉角declination angle 偏角;偏轉角;斜射角;傾斜角declination compass 磁偏計;磁偏針;磁差儀;傾角計compass declination 磁偏角;羅經磁偏;磁偏羅磐;詳細繙譯declination chart 磁偏圖;磁傾圖;磁差圖;詳細繙譯declination needle 磁針;磁偏指針declination difference [水運]赤緯差Declination setting 方位跟蹤 返回 declination