packet switching exchange (PSE)的用法和樣例：
例句
- Not all grid systems rely on such a straightforward exchange of simple packets.
并不是所有的網(wǎng)格系統都依賴(lài)于如此直接的簡(jiǎn)單包交換。 - 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.
支持的傳輸技術(shù)取包交換的形式，即通話(huà)路由器在一個(gè)包一個(gè)包的基礎上決定數據和聲音走哪條路由。
