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Closed circuit television monitoring system2014-12-17One, overview Closed circuit television monitoring system (CCTV) is the application of optica...click to read full text>>
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Intelligent conference system2014-12-17With the development of information technology, a modern multifunctional meeting room in addition...click to read full text>>
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Why should the IT outsourcing2014-12-17Product introduction: Polycom HDX HD 7000 system enables users to freely, naturally video com...click to read full text>>