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这张图显示出来美国人民对于科学还是有很多，正面的评价。学位越高，对于科学的信心也越强 - ?# ~* S2 R8 b- D& ]6 s比较这一份报告和2014年的报告，才发现有很多东西改变了。2014年的报告还很细致详尽的讨论了幼儿园有四年级到八年级，以及国际上的数学和科学的教育成果。而这份2020年的报告，基本上更加关注的都是国际的竞争形式。 7 F1 y$ _( G, y) }) @/ q% l% Q, u1 @ " f. t0 c* _% l
Although this report does not forecast future outcomes, the data show the evolution of the United States in the global S&E enterprise. The United States continues to lead globally in R&D expenditures, S&E doctoral-level degree awards, and production of highly cited research publications. At the same time, other nations, particularly China, are rapidly developing their S&E capacity. As a result, the United States has seen its relative share of global S&T activity flatten or shrink, even as its absolute activity levels kept rising. As more countries around the world develop R&D and human capital infrastructure to sustain and compete in a knowledge-oriented economy, the United States is playing a less dominant role in many areas of S&E activity.
