例如，可能有多个通信通道：邮件、电子邮件、电话等。
For example, there might be multiple communication channels: mail, email, phone, and so on.
电话的发明超越了其他所有通信手段。
The invention of the telephone blew away all other methods of communication.
他们打电话、写电子邮件和普通信件。
他们打电话、写电子邮件和普通信件。
使用其他的带外(out - of - band)通信(例如，直接打电话给卖方)。
Use other out-of-band communication (for example, phone the seller directly).
低成本高频装置，高频放大方法，无线通信装置和移动电话。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
电话不能偷袭，通信不能发送。
它不但承载电话服务而且提供数据通信服务。
It can not only provide telephone service but also provide data communicating service.
无线通信装置，无绳电话，显示操作控制方法，程序及存储介质。
Radio communicator, cordless telephone, display operation control method, program and storage medium.
电话和电视电缆是2种有线通信；
Telephone and TV Cable are two kinds of wire communications;
介绍了如何运用IP电话网络来节省国际，国内长途通信费用。
Application of IP phone net is introduced to save national and international long-distance fees.
传统的方法是使用无线电台、电话线或专用通信线。
The traditional methods are radio, telephone line and leased line.
促进本地电话竞争是美国1 996年颁布新的《通信法》的一个重要目标。
Promoting local telephone competition is one of the most important communications policies for the u.
促进本地电话竞争是美国1 996年颁布新的《通信法》的一个重要目标。
Promoting local telephone competition is one of the most important communications policies for the u.
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