两点间距离公式怎么用

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select * from tbl_Articles WHERE ArticleID=344479 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=344479 LIMIT 0,1
select * from tbl_Articles_sphinx where id=344479 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1097975,1092804,1072200,1061832,1089612,1080545,1125955,1062756,1073870,1073286,1078737,1067181,1045342,1074328,1098963,1052425,1061686,1091141,1097389,1129287,1124859,1053144,1048968,1124281,1101053,1098297,1117263,1129277,1089207,1096911) ORDER BY field (ArticleID,1097975,1092804,1072200,1061832,1089612,1080545,1125955,1062756,1073870,1073286,1078737,1067181,1045342,1074328,1098963,1052425,1061686,1091141,1097389,1129287,1124859,1053144,1048968,1124281,1101053,1098297,1117263,1129277,1089207,1096911)