方法用不同的电刺激参数刺激坐骨神经干，测定引起的动作电位的幅度和传导速度分别衰减20%以及潜伏期延长20%时所需的时间。

The time required was investigated for the action potential to reduce its conduction velocity by 20% and to extend the latent period by 20% respectively.

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方法用不同的电刺激参数刺激坐骨神经干，测定引起的动作电位的幅度和传导速度分别衰减20%以及潜伏期延长20%时所需的时间。

The time required was investigated for the action potential to reduce its conduction velocity by 20% and to extend the latent period by 20% respectively.

youdao