Hierarchical mobility facilities : mobility can be handled by L2 protocol (like LWAPP) or by L2 and L3 protocols (the so-called L2.5 in the literature).是什么意思_Hierarchical mobility facilities : mobility can be handled by L2 protocol (like LWAPP) or by L2 and L3 protocols (the so-called L2.5 in the literature).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句