搜索结果: 1-1 共查到“发展社会学 increasingly challenged”相关记录1条 . 查询时间(0.019 秒)
U.S. science and technology leadership increasingly challenged by advances in Asia
U.S. science and technology leadership increasingly challenged Asia
2016/1/23
According to the latest federal data, the U.S. science and engineering (S&E) enterprise still leads the world. The United States invests the most in research and development (R&D), produces the most a...