25()
A. transportation
B. transference
C. transformation
D. transmission
The use of MP3 is no longer restricted to a specific group of people.
网桥工作在通信协议体系中的 (6) ,依功能情况,下面 (7) 不属于网桥。路由器工作在 (8) ,其主要特点是具有 (9) 的能力。 (9)处填()。
A. 数据交换
B. 实现不同LAN的互联
C. 寻址
D. 转换协议
Those services available at MP3 outlets are not provided by other retailers.