边际效用递减规律名词解释

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select * from tbl_Articles_data WHERE ArticleID=2262656 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2262656 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(133785,635803,396391,148712,194182,627728,2813412,3379871,278841,241457,824911,3144715,308489,341073,121844,842229,276248,330191,319437,307674,197895,3220222,290372,3391671,1855777,485387,1781385,2325441,469230,148758) ORDER BY field (ArticleID,133785,635803,396391,148712,194182,627728,2813412,3379871,278841,241457,824911,3144715,308489,341073,121844,842229,276248,330191,319437,307674,197895,3220222,290372,3391671,1855777,485387,1781385,2325441,469230,148758)