-2000306.6121-2000306.6122345678910111213-1999380.0121-1999380.0122345678910111213X⊿X=-1999380.012 ⊿Y=-449575点号XY国家80变带值(111°变108°57′00″）变带值(111°变110°20′00″）Y点号X⊿X=-2000306.612 ⊿Y=-30310880（变带后）转海南海口独立X80（变带后）转海南白沙独立-1999781.9791-1999781.9792345678910111213-2000801.047-258976.5312-2000801.0471-2000801.0472345678910111213点号变带值(111°变109°45′00″）XYX80（变带后）转海南平面⊿X=-1999781.979 ⊿Y=-36487880（变带后）转海南文昌独立⊿X=-2000801.046553 ⊿Y=-258976.点号变带值(111°变110°45′00″）XYX-303108.309-2000306.612-303108.30912000306.6122345678910111213-449575.615-2000306.612-449575.61512000306.6122345678910111213Y⊿X=-1999380.012 ⊿Y=-4495点号变带值(108°57′00″变111°）XYX49575.615国家80与转海南各坐标系互换变带值(110°20′00″变111°）海南白沙独立（变带后）转8003108.309海南海口独立（变带后）转80⊿X=-2000306.612 ⊿Y=-3031YX点号XY-364878.999-1999781.979-364878.99911999781.9792345678910111213-258976.5312-2000801.047-258976.531212000801.0472345678910111213点号变带值(109°45′00″变111°）XYXY海南平面（变带后）转8064878.999⊿X=-1999781.979 ⊿Y=-3648X海南文昌独立（变带后）转808976.531181⊿X=-2000801.046553 ⊿Y=-25897点号变带值(110°45′00″变111°）YXY-303108.309303108.309-303108.309303108.309-449575.615）Y）-303108.309Y-364878.999364878.999-258976.5312258976.5312）Y-364878.999Y258976.531181）
