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美国试图阻止中国科企参与海外5G网络建设，美国一项周二公布的调查显示，中国在准备5G网络的部署仍然领先全球，美国则拉近了与中国距离，全球排第2，预料美国今年会推行更多5G部署计划。

美国无线产业协会(CTIA)委托市场调查公司Analysys Mason进行调查，显示美国去年大量投资5G研发工作，现时超越韩国，在开展5G部署上紧贴中国，其次是韩国、日本、英国及意大利。

报告指出，美国今年有92个商业5G网络部署计划，领先中国，但中国计划了数百个大规模5G测试，同时有明显的基础建设优势。中国平均1万人当中，就有逾14个流动电讯发射站，但美国只有4.7个。

美国无线产业协会主席贝克表示，美国对5G网络的准备令人印象深刻，但有必要维持领导地位，强调美国不能自满，因为“这场竞赛刚刚开始”。美国要付出双倍努力，才能胜过对5G有野心的中国及其他国家。