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随着我国对环境空气污染物监测要求的不断提高，多氯联苯PCBs）作为持久性有机污染物POPs）的重要成员，其准确测定对环境保护和公共健康至关重要。为满足HJ 902-2017《环境空气 多氯联苯的测定

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中国消费者报深圳讯记者黄劼）深圳市智硕云科技有限公司因销售的“智硕云”群控管理系统，可制造网络平台的大量虚假访问和流量，有妨碍、破坏“抖音”软件正常运行，近日被深圳市场监管局处300万元的顶格处罚。各