以下为句子列表：
英文: At the present stage, broadband data service accounts for 83 percent of used bandwidth in the long-distance transmission network, equal to 5 times voice bandwidth, mainly distributed in economically developed east and south parts of China, making up 56 pe
中文: 现阶段，长途传输网中宽带数据业务占已使用带宽的83％，相当于话音带宽的5倍，主要分布在东部和南部的经济发达地区，占总带宽需求的56％。
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