中信证券：无人驾驶商业落地 矿区场景先锋示范

array(1) { [461852]=> array(2) { [2]=> array(4) { [0]=> string(12) "无人驾驶" [1]=> string(6) "矿区" [2]=> string(18) "中信证券研报" [3]=> string(11) "XD中信证" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }