Twisted pair copper cable for star topologies, where the distance between two devices may not exceed 100 meters.
双绞线铜缆的星型拓扑结构，在两个设备之间的距离不能超过100米。
Communication networks can be classified in terms of their physical arrangement or topologies. Three common topologies are the star, bus, and ring.
通信网络可以按照其物理排列或拓扑结构来分类。有三种常见的拓扑结构：星型、总线型和环型。
One type of MAC is Ethernet, which is used by bus or star network topologies.
运用MAC协议一种类型便是以太网，它被用于总线或星型拓扑结构。
Common topologies used to arrange computers in a network are point-to point, bus, star, and ring.
在同一个网络中用于分配计算机的通用的拓扑结构有点对点，总线结构，星型结构和环形结构。
Three common topologies are the star, bus, and ring.
有三种常见的拓扑结构：星型、总线型和环型。
Single fiber optic modules with dual fiber cable connections provide redundant point-to-point, star, tree and ring topologies, depending on the communication system.
拥有双重光纤电缆连接的单一光纤模块依据通信系统可以提供点对点，星状，树状以及环形布局。
The comparison is in term of fiber required, average propagation delay, transmission loss, max bit rate, fault tolerance among four type topologies included bus, star, ring and dual ring.
针对双总线形、星形、环形和双环形四种光纤网络拓扑，比较它们的光纤需求长度、平均传播延迟、传输衰减、最大比特率及容错。
The comparison is in term of fiber required, average propagation delay, transmission loss, max bit rate, fault tolerance among four type topologies included bus, star, ring and dual ring.
针对双总线形、星形、环形和双环形四种光纤网络拓扑，比较它们的光纤需求长度、平均传播延迟、传输衰减、最大比特率及容错。
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