滞留是什么意思啊

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select * from tbl_Articles WHERE ArticleID=3499486 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3499486 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3499486 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1096867,434466,1183738,369135,608021,394930,438523,406695,3301079,636638,460504,437512,2808080,419863,432638,392529,3499486,1121792,593904,444163,373191,362912,1115587,436652,1117401,1120364,1119920,369539,460406,1101645) ORDER BY field (ArticleID,1096867,434466,1183738,369135,608021,394930,438523,406695,3301079,636638,460504,437512,2808080,419863,432638,392529,3499486,1121792,593904,444163,373191,362912,1115587,436652,1117401,1120364,1119920,369539,460406,1101645)