万用表中hv是什么意思

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select * from tbl_Articles_data WHERE ArticleID=2932011 LIMIT 0,1
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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1128505,1647042,1052151,1073041,1706930,2295426,1092724,1391479,1063805,1093290,994016,1076277,1449875,1108255,1685239,2192331,2746922,1056832,1086520,1064345,1068874,1642312,1285400,1072721,1072713,982771,1494575,2590468,1076720,1283967) ORDER BY field (ArticleID,1128505,1647042,1052151,1073041,1706930,2295426,1092724,1391479,1063805,1093290,994016,1076277,1449875,1108255,1685239,2192331,2746922,1056832,1086520,1064345,1068874,1642312,1285400,1072721,1072713,982771,1494575,2590468,1076720,1283967)