Targeted disruption of the murine Nkx2.5 gene results in abnormal heart morphogenesis, severe growth retardation, and embryonic lethality around E9.5 (1, 2).

靶向缺失小鼠nkx2.5基因会导致心脏形态异常，严重的发育迟缓以及E9.5胚胎致死(1,2)。

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Cold stress on crops results in severe yield losses through growth retardation and irreversible damage.

冷胁迫通过使植株生长迟缓和不可逆转的损伤，严重影响了作物产量。

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Results:The data showed that patients with severe PIH were easy to suffer from abruptio, placentae intrauterine growth retardation(IUGR), fetal distress and acute left heart failure.

结果：资料显示重度妊高征患者易合并胎盘早剥、胎儿宫内发育迟缓、胎儿宫内窘迫和急性左心衰。

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