prolongation的英语例句
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Objective To determine the clinical significance of PR prolongation ambulatory individuals.
目的:本研究是确定非住院病人PR间期延长的临床意义.
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There was an indefinite prolongation of the peace talks.
和平会谈被无限期地延长了.
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the artificial prolongation of human life
对人类寿命的人为的延长
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