速动比率过小说明什么

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select * from tbl_Articles WHERE ArticleID=171371 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=171371 LIMIT 0,1
select * from tbl_Articles_sphinx where id=171371 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1070498,1059368,1075793,1001240,1063165,1078707,1084563,1087439,1082333,1080913,1088431,1065359,1074340,1128237,1074686,1078901,1071199,1080116,1056536,1066118,1067769,1083419,1079546,1080801,1084149,1075564,1065259,1064251,1123681,1079950) ORDER BY field (ArticleID,1070498,1059368,1075793,1001240,1063165,1078707,1084563,1087439,1082333,1080913,1088431,1065359,1074340,1128237,1074686,1078901,1071199,1080116,1056536,1066118,1067769,1083419,1079546,1080801,1084149,1075564,1065259,1064251,1123681,1079950)