美国国家科学基金会：2024美国研发趋势与国际对比分析报告（英文版）

This publication is part of the 2024 edition of the Science and Engineering indicators (indicators) suite ofreports. indicators is prepared under the guidance of the National Science Board by the National ScienceFoundation's National Center for Science and Engineering Statistics. The indicators suite consists of asummary report called The State of U.S. Science and Engineering, more-detailed thematic reports withsupporting data, and a data tool that provides state-level indicators