搜索结果: 1-1 共查到“经济学 reached 356 billion”相关记录1条 . 查询时间(0.061 秒)
Business R&D performed in US reached $356 billion in 2015(图)
Business R&D performed US reached $356 billion 2015
2017/9/20
Businesses spent $356 billion on research and development (R&D) performed in the United States in 2015, a 4.4 percent increase over the $341 billion spent in 2014.Of the total R&D expenditures in 2015...