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心脏起搏点
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心脏起搏点
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cardiac pacemaker
心脏起搏点
能按其自身兴奋节律来触发整个心脏节律性搏动的心肌细胞。正常情况下指的是窦房结P细胞。心脏特殊传导系统中自动节律最高的自律细胞。
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National Academy of Education Administration
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National Accreditation Committee for Urban and Rural Planning Curriculum
National Administrative Measures of Specific Funds for the Protection of Cultural Relics
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national agricultural comprehensive development high-tech demonstration zone
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National Air and Space Museum
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National American Woman Suffrage Association
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National and Kapodistrian University of Athens
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