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美公司研发支出远超中国：阿里腾讯仅是亚马逊零头

 5 years ago
source link: https://36kr.com/p/5160112.html
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在美国和中国在贸易和技术问题上争执不休之时，美国公司在一个关键领域仍保持着对中国竞争对手的重大优势：研发支出。

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