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随着电视事业的发展，特别是有线电视的问世，不仅提高了无线电视节目的收视质量，而且因为其丰富的频道资源、众多的自办电视节目和卫星电视的落地改变了人们对电视频道的理解。电视观众对频道的认识不再是数字和电视台的简单叠加，数字已经和电视台分离，数字已经演变成电视
With the development of the television industry, especially the advent of cable television, the quality of the television program has not only been improved, but also because of its rich channel resources and the large number of self-owned TV programs and satellite TV, understanding. TV viewers’ awareness of channels is no longer a simple overlay of digital and television stations, the numbers have been separated from television stations and the numbers have evolved into television