本地接入 ; 虚拟分拆本地接入
Even now, fewer than 2% of American access lines have been unbundled, and several would-be broadband service providers have gone bust.
ECONOMIST: The slow progress of fast wires
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。