sin在第几象限是正的

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select * from tbl_Articles WHERE ArticleID=2973879 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2973879 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2973879 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1061534,1054380,1084427,1275834,1027251,1063981,1027455,1370312,1101707,1064977,1049836,2666365,1121936,1079682,1079890,1053308,1114918,2390057,1103070,1108051,1128709,1065083,1100527,1048878,1063021,1065023,1059915,3030228,1041729,1083421) ORDER BY field (ArticleID,1061534,1054380,1084427,1275834,1027251,1063981,1027455,1370312,1101707,1064977,1049836,2666365,1121936,1079682,1079890,1053308,1114918,2390057,1103070,1108051,1128709,1065083,1100527,1048878,1063021,1065023,1059915,3030228,1041729,1083421)