什么是最优资本结构

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select * from tbl_Articles WHERE ArticleID=1988633 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1988633 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1988633 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1126571,1080241,1073385,1067901,1063671,1110608,1052529,1062494,1092712,1074409,1092410,1052739,1044673,1092053,1068532,1072751,1111930,1104195,1100211,1108890,1089454,1015577,1077084,1084777,1112132,1113692,1114435,1090260,1070352,1048112) ORDER BY field (ArticleID,1126571,1080241,1073385,1067901,1063671,1110608,1052529,1062494,1092712,1074409,1092410,1052739,1044673,1092053,1068532,1072751,1111930,1104195,1100211,1108890,1089454,1015577,1077084,1084777,1112132,1113692,1114435,1090260,1070352,1048112)