光电视觉公司，一家美国有线电视公司，在10月6日向其所有客户推出交互式广告的消息遭到了一些质疑。
The news that Cablevision, an American cable company, was rolling out interactive advertisements to all its customers on October 6th was greeted with some skepticism.
CMTS系统是HFC网络中的关键设备之一，它能够使有线电视用户实现宽带接入并享受交互式综合业务服务。
CMTS system is one of the key devices in HFC network, it can make CATV users access broad-band network and enjoy the interactive integrated service.
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