network topologies短语⁷⁸⁰⁸⁹ 基本英英例句 网络拓扑原型networktopology的复数 名词 network topology: the configuration of a communication network 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。 blog.sina.com.cn