In 2004, Chinese first aviation ejection lifesaving phantom was researched successfully.
2004年, 成功研制出我国首具航空弹射救生假人.
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Vomiting: Forcible ejection of the stomach contents from the mouth, usually following nausea.
呕吐: 胃内容物被迫经口吐出的一种症状.
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Early and late systolic murmurs also occur and should be distinguished from ejection murmurs.
在收缩早期或晚期也会出现杂音,应与喷射音相区别.
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在左侧肺切除的患者中, R的容积是正常的,而L射血分数是异常偏低的.
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Coprimary end points were IRA patency and change in L ejection fraction.
主要终点为梗死相关动脉开通和左室射血分数改善.
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L ejection fraction increased 35 % , and pro-brain natriuretic peptide decreased 40 %.
左室射血分数升高35%, 同时脑钠肽前体蛋白降低40%.
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Results Basal ejection fraction and cardiac index were normal in four groups.
结果各组射血分数和心脏指数均正常.
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喷射音始于S1后,通常有渐强 - 渐弱特征, 并于S2前结束.
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The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.
彗星的喷发速度在流星群的演化过程中起着重要作用.
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Study on the Joint Deformation and the Interface Contaminant Ejection Rate in DC Upset Butt Welding.
直流电阻对焊接头变形和界面污物清除率研究.
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A rocket is propelled by the ejection of a portion of its mass to the rear.
火箭是靠向后喷射其部分质量而推进的.
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Rapid prototyping manufacturing in the ice pattern is actualized through FDM and separate ejection.
采用FDM方法、离散式喷射实现了冰模快速成形.
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Sully always kept in mind the air-crew ejection study he learned about in his military days.
萨伦伯格一直牢记着在部队服役时学的飞行人员弹射研究.
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