{HEAD ~ Embodiments} of the present invention relate to the field of communication technologies, and in particular, to {TAIL ~ a method}, an apparatus, and a system for reducing line to line crosstalk during transmission of a digital subscriber line service 
relate to to
{ HEAD ~ Embodiments } of the present invention relate to the field of communication technologies , and in particular , to { TAIL ~ a method } , an apparatus , and a system for reducing line to line crosstalk during transmission of a digital subscriber line service
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