请问最优套期保值数量是多少?

页面:/news/view-674223/ | 耗时:0.7718 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=674223 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=674223 LIMIT 0,1
select * from tbl_Articles_sphinx where id=674223 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1313770,1156071,1607535,862343,1208523,572062,978419,1916248,1032473,1002442,1620829,1413459,1210722,1359705,3494919,3128991,540527,96263,593266,1734853,1014286,849562,657361,906154,1098302,542314,750442,1954744,1360319,386085) ORDER BY field (ArticleID,1313770,1156071,1607535,862343,1208523,572062,978419,1916248,1032473,1002442,1620829,1413459,1210722,1359705,3494919,3128991,540527,96263,593266,1734853,1014286,849562,657361,906154,1098302,542314,750442,1954744,1360319,386085)