潘氏试验阳性一个加号一个减号代表什么

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select * from tbl_Articles WHERE ArticleID=3303284 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3303284 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3303284 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(389919,622292,483024,588319,458879,1061918,97600,469601,501921,1095127,483410,423667,416297,541794,419341,408908,466293,524441,480592,562742,407316,740337,476155,579224,566671,527686,1041349,550103,384559,82308) ORDER BY field (ArticleID,389919,622292,483024,588319,458879,1061918,97600,469601,501921,1095127,483410,423667,416297,541794,419341,408908,466293,524441,480592,562742,407316,740337,476155,579224,566671,527686,1041349,550103,384559,82308)