[计] 包交换

packet switch的用法和样例：

例句

Supporting transmission technology takes the form of packet switches, or call routers, that decide where data and voice are going on a packet-by-packet basis.支持的传输技术取包交换的形式，即通话路由器在一个包一个包的基础上决定数据和声音走哪条路由。
Supporting transmission technology takes the form of packet switches, or call routers, that decide where data and voice are going on a packet-by-packet basis.支持的传输技术取包交换的形式，即通话路由器在一个包一个包的基础上决定数据和声音走哪条路由。

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