“congenital heart defects，CHD”的概念、定义、翻译、参考文献-科学参考

单词	congenital heart defects，CHD
释义	congenital heart defects，CHD 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。
随便看	steady constraint steady current steady current condition steady current field steady current source steady density steady discharge steady distribution steady electric field steady error steady error coefficient steady field steady flight steady flow steady flow energy equation steady-flow gas expansion refrigeration cycle steady flow water distribution technology steady high magnetic field steady linear flight performance of aircraft steady load steady motion steady noise steady non-uniform flow in open channel steady potential steady problem

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。