短語詞組短語NML Network Management Layer 網(wǎng)絡(luò)琯理層次;網(wǎng)絡(luò)琯理層Network y Layer 網(wǎng)絡(luò)層Network Adaption Layer 網(wǎng)絡(luò)適配層Network Abstraction Layer NAL 網(wǎng)絡(luò)提取層Network Abstractien Layer 網(wǎng)絡(luò)提取層network abstract layer unit 網(wǎng)絡(luò)抽象層單元network transport layer 網(wǎng)絡(luò)傳輸層network k layer protocol 網(wǎng)絡(luò)層協(xié)議Network Abstrastion Layer 網(wǎng)絡(luò)抽象層 返回 network layer