为什么电视信号时有时无

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select * from tbl_Articles WHERE ArticleID=2518565 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2518565 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2518565 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1906426,1111326,130301,3162042,1098569,1130911,1885090,1088644,1849599,1086162,2291765,1102712,1529986,1414510,1932465,2545657,1130015,192161,1048108,1620460,926728,1092189,1740039,1095063,155867,2038989,439611,1788799,331270,3187473) ORDER BY field (ArticleID,1906426,1111326,130301,3162042,1098569,1130911,1885090,1088644,1849599,1086162,2291765,1102712,1529986,1414510,1932465,2545657,1130015,192161,1048108,1620460,926728,1092189,1740039,1095063,155867,2038989,439611,1788799,331270,3187473)