China was the only country whose companies increased the number of technology patents they were awarded in the US last year, according to an analysis to be released on Tuesday.
周二公布的一項(xiàng)分析顯示，中國(guó)是去年唯一一個(gè)其企業(yè)在美國(guó)獲得技術(shù)專(zhuān)利數(shù)量增加的國(guó)家。
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