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北京年底前5G基站超万 五环内大部分区域基本覆盖

 4 years ago
source link: https://tech.sina.com.cn/5g/i/2019-08-08/doc-ihytcitm7628603.shtml
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原标题:北京年底前5G基站超万五环内大部分区域基本覆盖

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