AT & T inaugurates the Teletypewriter Exchange Service ( TWX ) November 21.
11月21日,AT & T举行用户电报业务开通典礼.
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The appearance of the bluetooth technology without fail inaugurates a new channel for robot research's development.
蓝牙技术的出现,无疑为机器人发展开辟了一条崭新的通道.
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