ᠭᠠᠵᠠᠷ ᠵᠦᠢ ᠶᠢᠨ ᠺᠣᠣᠷᠰᠸᠠᠢᠷ
, , , , , ,,,, ,ᠲᠦ᠋ᠢᠯ ᠤᠨ ᠷᠠᠳ᠋ᠢᠤᠰ 6357km,ᠳᠤᠮᠳ᠋ᠠᠴᠢ ᠤᠨ ᠷᠠᠳ᠋ᠢᠤᠰ 6371km,ᠪᠦᠰᠡᠯᠡᠭᠦᠷ ᠤᠨ ᠷᠠᠳ᠋ᠢᠤᠰ 6378km,ᠳᠡᠯᠡᠬᠡᠢ ᠶᠢᠨ ᠪᠦᠮᠪᠦᠷᠴᠡᠭ᠌ ᠤᠨ ᠶᠡᠬᠡ ᠪᠠᠭᠠ,,,ᠪᠠᠷᠤᠭ 4 ᠲᠦ᠋ᠮᠡᠨ km ᠬᠠᠮᠤᠭ ᠶᠡᠬᠡ ᠬᠦᠷᠢᠶᠡᠨ ᠦ ᠤᠷᠲᠦ,ᠺᠦᠸᠠᠳ᠋ ᠺᠢᠯᠤᠮᠦᠲ᠋ᠦᠷ 5.1 ᠳ᠋ᠦ᠋ᠩᠰᠢᠭᠤᠷ ᠨᠢᠭᠤᠷ ᠤᠨ ᠲᠠᠯᠠᠪᠡᠢ, , ,,ᠳᠡᠯᠡᠬᠡᠢ ᠶᠢᠨ ᠲᠡᠩᠭ᠍ᠡᠯᠢᠭ᠌,,,,,,,ᠵᠡᠷᠭ᠍ᠡᠳ,ᠭᠤᠤᠯᠳ᠋ᠠᠴᠢ, , , ,,,,,,,,,,,, ,N, ,,S,0o,15oN,30oN,45oN,60oN,90oN,60oS,45oS,30oS,15oS,90oS,,,,,75oN,75oS, , , , (N), (S),,, , , ,, , , , , ,0 90 , ,S,N,,,,,,, (West),(East),15o,15o,60o,45o,30o,30o,45o,60o,0o, ,,75o,75o,W,W,W,W,W,E,E,E,E,E,90o,E,90o,W, , , ,(W),(E),, ,,, ,0°, , , ,, ,0 180 ,, ,N ( 60°N , 40°W ),M ( 60°N , 80°W ),,① ( 60°N , 125°E ),② ( 55°N , 130°E ),③ ( 60°N , 135°E ),④ ( 50°N , 130°E ),