[通信] 用戶業(yè)務類別之間的互通 interworking between networks: 網(wǎng)路間互通exercise between classes: 課間操relationships between classes: 類之間的關(guān)系variance between the classes: 級間方差multiple user classes: 多種用路人下載手機詞典可隨時隨地查詞查翻譯
