Methods Cell-attached mode of patch clamp technique were employed to record the single channel current of NMDA receptor with the primary-cultured hippocampal neurons from rats as samples.

以原代培养的大鼠海马神经元为标本，运用膜片钳技术的细胞吸附式方法记录NMDA通道的单通道电流。

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Operating in single channel debug mode.

系统以单通道调试模式运行。

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According to the perfect competitive market, we consider the channel coordination question under the information updating and the marketing mode of single-cycle and two-period selling.

针对完全竞争的市场，考察了融入信息更新情形下单周期产品两阶段销售的渠道协调问题。

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