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先天性心脏畸形
释义
先天性心脏畸形
Encyclopedia
医学
先天性心脏畸形
释
congenital heart defects,CHD
先天性心脏畸形
在胚胎发育期心脏及大血管的结构生成障碍和发育异常,或胎儿期的心血管通道在出生后未能闭合而引起的心血管解剖结构异常。是一类常见的出生缺陷,发病率占活产婴儿的0.7%~1%,中国每年新增先天性心脏病患儿数目达15万~20万。
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radar meteorology
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Radar Ocean Reconnaissance Satellite
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radar satellite
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