目的了解兔失血过程中血气变化和组织缺氧情况。
Objective To understand the changes of the blood gas and the tissue hypoxia in rabbits during graded progressive hemorrhage.
目的：探讨胎儿监护胎心基线细变异增加的原因、胎儿宫内储备能力及缺氧情况。
Objective: to explore the reason of the increase of fetal monitoring fetal heart rate baseline thin variability and fetal intrauterine stockpiling ability and lack of oxygen.
目的采用音乐疗法减轻患儿吸痰时的烦躁、哭闹，减轻氧的消耗，缓解缺氧情况。
Objective Music therapy is used to decrease the infants anxiety and crying during suctioning in order to reduce oxygen consumption and state of hypoxia.
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