蜂窝网络的数据漫游是什么意思

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select * from tbl_Articles WHERE ArticleID=270218 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=270218 LIMIT 0,1
select * from tbl_Articles_sphinx where id=270218 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1095319,1275345,1287845,1946814,1077348,1056858,1068664,1051683,1101394,2180541,1369135,2076209,1081441,1668643,1076187,1068874,2634245,2572096,1057178,1091900,1109799,2146364,1308000,1081241,2571638,1298900,1054792,1064663,2113551,1093989) ORDER BY field (ArticleID,1095319,1275345,1287845,1946814,1077348,1056858,1068664,1051683,1101394,2180541,1369135,2076209,1081441,1668643,1076187,1068874,2634245,2572096,1057178,1091900,1109799,2146364,1308000,1081241,2571638,1298900,1054792,1064663,2113551,1093989)