... Disease Vector Control Center,病媒控制中心 Digital Voice Communication,数字话音通信 Digital Video Communication,数字视频通信 ...
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这种安全、高容量、抗阻塞的无线(非卫星)系统通过数字数据以及话音通信使战场用户互连。
The secure, high-capacity, jam-resistant wireless (non-satellite) system connects users with both digital data and voice communications.
双音多频是一种在话音信道用音调来表示数字的方法,它可以用来在模拟话音信道传输信令,因此在通信中有广泛的应用。
Provide is a voice channel and tone to represent Numbers method, which can be used to transmit analog voice, so in communication has been widely used.
1985年,英国电信公司(BT)推出综合数字通信网络。它向用户提供话音、快速传送图表、传真、慢扫描电视终端等。
In 1985, British Telecom (BT) introduced integrated digital communications network. It provides users with voice, fast delivery chart, fax, slow scan television terminals.
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