多空是什么意思？

页面:/news/view-3257090/ | 耗时:0.4834 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3257090 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3257090 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3257090 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(968645,3408810,2679140,396276,394428,533295,1069424,3519287,593298,3392641,3219412,2820038,738820,3298447,3459884,985071,1013261,3137066,917526,882946,3257828,1119112,3148214,768605,915870,1571995,2169612,1120507,3480706,733810) ORDER BY field (ArticleID,968645,3408810,2679140,396276,394428,533295,1069424,3519287,593298,3392641,3219412,2820038,738820,3298447,3459884,985071,1013261,3137066,917526,882946,3257828,1119112,3148214,768605,915870,1571995,2169612,1120507,3480706,733810)