由中枢神经系统传出神经脉冲的；传出的。
Transmitting nerve impulses away from the central nervous system; efferent.
神经系统抑制剂，可以控制大脑发出的神经脉冲，从而放松血管。
Nervous system inhibitors, which control nerve impulses from the brain to relax blood vessels.
听觉必须将声音的振动转换成神经脉冲，送往脑部并解读为声音。
Hearing entails the transformation of sound vibrations into nerve impulses, which travel to the brain and are interpreted as sounds.
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