AT & T inaugurates the Teletypewriter Exchange Service ( TWX ) November 21.
11月21日,AT & T舉行用戶電報業(yè)務開通典禮.
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The appearance of the bluetooth technology without fail inaugurates a new channel for robot research's development.
藍牙技術的出現,無疑為機器人發(fā)展開辟了一條嶄新的通道.
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