Objective:To probe into the imaging character and regularity of congenital heart disease of left-transposition of great arteries by two dimensional echocardiography (2DE).
目的：探索大动脉左转位先天性心脏病（先心病）二维超声心动图（2DE）特征及规律性。
Objective:To probe into the imaging character and regularity of congenital heart disease of left-transposition of great arteries by two dimensional echocardiography (2DE).
目的：探索大动脉左转位先天性心脏病（先心病）二维超声心动图（2DE）特征及规律性。
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