In our group, complex CHD was not uncommon in mirror dextrocardia.

本组病例中镜面右位心伴复杂心内畸形并非少见。

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The effects of rare earth (re) complex modification on structure and the properties of a new cast hot-work die (CHD) steel were investigated.

研究了稀土复合变质对新型铸造热锻模具钢(CHD钢)组织与性能的影响。

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Objective To evaluate the role of transesophageal echocardiography (TEE) in surgical repair of children with complex congenital heart disease (CHD).

目的探讨经食管超声心动图（TEE）对儿童复杂性先天性心脏病（CHD）手术治疗的价值。

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