实体层 shítǐcéng physical layer Definitions Defs Origin Strokes Stroke Words Sentences Sents 实体层 實體層 shítǐcéng physical layer The lowest level of the OSI (Open Systems Interconnection) model for networking
实体层 實體層 shítǐcéng physical layer The lowest level of the OSI (Open Systems Interconnection) model for networking
