结果低氧高碳酸血症条件下，心交感神经传出冲动发放频率明显增加，心肌耗氧量增加，心肌收缩能力增强。
Results The simulation experiments show that cardiac sympathetic activities, cardiac oxygen consumption and myocardiac contractility increased during hypercapnia hypoxia.
传出纤维把中枢神经系统的冲动传到中枢所管辖的效应器。
The efferent fibers carry impulses from the central nervous system to the effector organs commanded by these centers.
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