三级台
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结果市、县、乡三级医院246台压力蒸汽灭菌器中,灭菌效果合格196份,合格率79.7%;
Results The qualified rate of germicidal effect in 246 autoclaves was 79.7 % .
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畦田灌溉田间试验选在杨凌当地农民土地上,于2004年春、夏季,以及2005年的冬、春季分别在杨凌渭河北岸的一级阶地、三级阶地(台塬)上进行。
Field experiment of border irrigation was selected in local peasant farmland . In the spring of 2004 、 winter and spring of 2005 , the experiment is processed in floodplain and terrace of north side of Weihe River .