经度: longitude差: send on an errand; dispatch大圆航行的经度差: great circle differential longitude大圆航行的经度差大圆航行分点经度: great circle differential longitude经度: [地理学] longitude◇经度变化 variation of longitude; 经度测量 longitude determination古经度: palaeolongitude经度,经线: long., long longitude经度;黄经: longitude经度带: gore; longitude zone经度的: longitudinal经度法: longitude method经度分: minute of longitude经度了: longitudinal经度圈: circle of longitude经度线: line of longitude; longitude line; parallel meridian lines线经度: linear longitude源经度: source longitude真经度: true longitude经度经度经线: longitude幅度差: separation高度差: altimeter lag; altitude difference; altitude differential; altitude intercept; diff h; difference in height; difference of altitude; elevation difference黑度差: density differience辉度差: luminance difference角度差: angle difference亮度差: luminance difference