如何改jpeg的分辨率

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select * from tbl_Articles WHERE ArticleID=1765075 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1765075 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1765075 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1109991,986890,1096338,1109799,1080877,1074870,1053922,1106078,1108976,1103348,1102630,1093280,1090771,1044609,1052433,1045901,1090663,1113618,1098893,1095554,1090396,1088586,1082203,1105502,1069505,1070888,1055694,1077667,1101745,1079255) ORDER BY field (ArticleID,1109991,986890,1096338,1109799,1080877,1074870,1053922,1106078,1108976,1103348,1102630,1093280,1090771,1044609,1052433,1045901,1090663,1113618,1098893,1095554,1090396,1088586,1082203,1105502,1069505,1070888,1055694,1077667,1101745,1079255)