工信部：持续推进5G商用部署和规模化应用

array(1) { [458645]=> array(2) { [2]=> array(3) { [0]=> string(9) "工信部" [1]=> string(8) "5G概念" [2]=> string(8) "5G商用" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }