保留一位小数是什么意思

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select * from tbl_Articles WHERE ArticleID=2399512 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2399512 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2399512 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1128843,2033851,2265301,1071203,1096308,1129653,1281947,1086418,1833942,2026153,1041439,1066132,1045825,1093483,1368016,1543353,1109607,2708127,1087862,1052683,1081747,1072082,1074686,1109304,1645272,1074184,1129939,2140791,1063467,1077182) ORDER BY field (ArticleID,1128843,2033851,2265301,1071203,1096308,1129653,1281947,1086418,1833942,2026153,1041439,1066132,1045825,1093483,1368016,1543353,1109607,2708127,1087862,1052683,1081747,1072082,1074686,1109304,1645272,1074184,1129939,2140791,1063467,1077182)