英语语法分析

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。