大圆航线分段大圆航行分段  great circle section

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

大圆航行分点经度  great circle differential longitude

大圆航行分段  great circle section

大圆圈航行图  great circle chart

大圆大圆弧  great circle

初始大圆航路  initial great-circle course

大圆大圈  great circle

大圆航法  great circle sailing; great-circle sailing; great cirlcle sailing

大圆航迹  great circle track

大圆航迹计算法  great circle sailing

大圆航路图  great circle track chart

大圆航线  orthodrome; great circle; great circle route; great-circle course; circle navigatin line; great circle flight path; circle line; greet circle route; route

大圆航线分段  great circle section

大圆航线图  great circle sailing chart

大圆航向  great circle course

起始大圆航向  initial great circle course

天文大圆航向  astronomical great circle course