This gradient is produced by the action of the electron transport system.

这梯度行动所产生的电子传输系统。

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Nevertheless, a capacity gradient can be found in the system of multi-level markets;

市场层级越低或离中心市场越远，其容器的单位量值越大。

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Nevertheless, a capacity gradient can be found in the system of multi-level markets;

市场层级越低或离中心市场越远，其容器的单位量值越大。

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