Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and measuring the time of fatigue in nerve centre, neuro-muscular junction and muscle.
方法：记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线，测定低位运动中枢、神经肌接头、骨骼肌出现疲劳的时间并加以比较。
Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and checking the time of fatigue in nerve center, neuro-muscular junction and muscle.
方法：记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线，测定低位运动中枢、神经-肌接头和骨骼肌出现疲劳的时间并加以比较。
Methods: By way of the electrophysiological recording technique, we observed the influence of L-NNA on orthodromic population spike(OPS) during anoxia in rat's hippocampal slices.
方法：在大鼠离体海马脑片，用电生理记录技术，观察L-NNA对缺氧时海马脑片顺向群峰电位（ OPS）的影响。
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