conference telephone

常见例句

The paper introduces the main functions of RDC-1 Railway Digital Conference Telephone equipment and it's field testing.
介紹了RDC-1型鉄路數字會議電話設備的搆成，基本功能和現場試騐等。
With the development of the communication technology, computer technology and network, the creation of conference telephone network is developing fast.
隨著通信技術，計算機技術以及網絡技術的不斷發展，會議電話網建設也在高速進行。
Thus, compared with a conventional PSTN receiving system, the double-mode conference telephone saves a set of control modules and greatly reduces the cost.
這樣相對於傳統的PSTN接收系統，節省了一套控制模塊，成本上有很大的降低。
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