The internal switch facilitates creation of a line topology.

内部开关可用于创建线型拓扑结构中。

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They dynamically switch their role from internal to external, and vice versa, in response to changes in the organizational control of resources and activities of consumption service.

它们动态地将其角色从内部切换到外部，或反之亦然，以响应使用服务的资源和活动的组织控制更改。

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The architecture consists of six Cisco catalyst switch modules with fourteen internal ports and four external 1gb ports each.

这个体系结构由6个Cisco catalyst交换机模块组成，每个模块有14个内部端口和4个外部的1gb端口。

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On the other hand, this conflation makes far more sense in the long term, as our electrical grid becomes more sophisticated, and as electric vehicles begin the inevitable switch from internal combustion engines to electric motors or some other renewable source of power.

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Each customer site links its own internal network to the Telseon system through a single dedicated switch, a far simpler route than the clumsy path of the old telephone system.

FORBES: Weaving The Perfect Net