等腰梯形有几条对称轴

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1129755,1132055,2789078,1042863,1104091,1118264,1041978,1066738,1634973,1099033,2350481,1074258,1050025,119127,1069944,1119458,1066828,1083662,1081255,1132115,2033807,1095502,2165642,1111222,1107218,1612965,1076319,1079368,1123827,1073343) ORDER BY field (ArticleID,1129755,1132055,2789078,1042863,1104091,1118264,1041978,1066738,1634973,1099033,2350481,1074258,1050025,119127,1069944,1119458,1066828,1083662,1081255,1132115,2033807,1095502,2165642,1111222,1107218,1612965,1076319,1079368,1123827,1073343)