什么叫减轻损失策略

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(790690,619983,1355115,1196600,1144987,1970968,1017832,2027310,1144983,569569,1113028,1017119,784654,460460,1952653,878627,805634,1083533,431571,3444934,1782928,1209146,1195302,1665186,612156,1011543,1160630,1797602,1165984,2264283) ORDER BY field (ArticleID,790690,619983,1355115,1196600,1144987,1970968,1017832,2027310,1144983,569569,1113028,1017119,784654,460460,1952653,878627,805634,1083533,431571,3444934,1782928,1209146,1195302,1665186,612156,1011543,1160630,1797602,1165984,2264283)