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(), a.Of or pertaining to heliography or a heliograph; made by heliography. Heliographic chart. See under Chart. He°liograph"ic a.(Astron.) Of or pertaining to a description of the sun. Heliographic longitudes and latitudes of spots on the sun's surface are analogous to geographic longitudes and latitudes of places on the earth. スポンサード リンク
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