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县级HFC网络的双向改造是有线电视网络的发展趋势 ,针对双向改造中出现的实际情况 ,提出应重点考虑的一些问题及解决办法。
Bidirectional transformation of county-level HFC network is the development trend of cable television network. In view of the actual situation in the two-way transformation, some problems that should be considered and solutions are put forward.