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1·It is a powerful communication medium that simultaneously provides immediate, frequent, permanent, and wide-reaching information across the globe.

它是一个强大的沟通媒介，同时在全球范围内提供即时、频繁、永久和影响广泛的信息。

2·Instant message is a new communication medium.

即时消息是一种新的通讯媒体。

3·Presentations are a powerful communication medium.

简报是强而有力的沟通媒介。

4·In particular, a communication medium is provided.

特别的，提供了一种通讯媒介。

5·Language use is never a transparent communication medium.

语言从来都不是客观透明的交际媒介。

6·Electronic mail is essentially an informal communication medium.

电子邮件是种不太正规的媒介。

7·The communication medium was a computer, a phone line, and a modem.

这种课程的媒介是一台电脑、一条电话线和一个调制解调器。

8·As communication medium, the low voltage powerline has great potential in application.

低压电力线作为通信媒介实现数据通信具有很大的应用潜力。

9·The communication medium includes first, second, third, fourth and fifth display areas.

通讯媒介包括第一、第二、第三、第四和第五显示区。

10·The link layer provides the physical interface to the communication medium (such as an Ethernet device).

链路层(link layer)提供了通信介质的物理接口(例如以太网设备)。