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1·Right-sided refers to the position of the arch compared with the trachea, not to the position of the descending aorta.

所谓右位，主要是与气管相比较的右侧，而非在降主动脉的右侧。

2·ResultsMorphological changes were found in aorta arch of 9 rats in exposed group.

结果暴露组9例大鼠主动脉弓结构改变；

3·Coarctation of aorta, corrected transposition of the great vessels, right aortic arch and aortic arch interruption were seen in 3, 3, 4 and 1 cases, respectively.

其中主动脉缩窄、校正型大血管错位、右位主动脉弓及主动脉弓离断分别为3、3、4和1例。