右图为从蛙后肢上分离的坐骨神经的示意图若在电极a的左侧给一适当的刺激则 A.ab之间会产生电流方�为a→bb.相应的膜内侧电流方�为b→ Template




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tomski右图为从蛙后肢上分离的坐骨神经的示意图若在电极a的左侧给一适当的刺激则 a.ab之间会产生电流方�为a→bb.相应的膜内侧电流方�为b→ coloring