Upstream communication is the key in the construction of HFC access network.

HFC上行通信是构建宽带HFC接入网的关键。

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HFC broadband access network is an effective solution to the problem.

HF C宽带接入网是解决这一问题的有效途径。

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HFC broadband access network is an effective solution to the problem.

HF C宽带接入网是解决这一问题的有效途径。

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