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。
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。
At least three other parakeet species have established feral breeding colonies: the most numerous is the ring-necked parakeet, now common in many London parks and suburbs.
数量最大的是现在常见于伦敦很多公园和郊区的环颈鹦鹉。
At least three other parakeet species have established feral breeding colonies: the most numerous is the ring-necked parakeet, now common in many London parks and suburbs.
数量最大的是现在常见于伦敦很多公园和郊区的环颈鹦鹉。
应用推荐