Program control technology has been widely used in the communications field. 程式控制技術在通信領域得到了廣泛的應用。
The designs of hardware and software of the information acquistition processor for non-program control PABX are discussed. 討論了非程式控制用戶交換機複式計費系統中信息採集機硬體和軟體的設計。
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