As a matter of fact, any existent system or subsystem is affected at least by homo-random disturbance source. Therefore dependence is the universal character that any failed system bears.

事实上，任何一个存在的系统或子系统至少要受到同一随机干扰源的作用，因此“相关”是系统失效的普遍特征。

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Ion channel activity had the character of voltage-dependence. Some cells, which did not exhibit sodium currents exhibited, delayed rectifier potassium currents.

并且离子通道活动具有明显的电压依赖性，在没有记录到钠电流的细胞记录到延迟整流钾电流。

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