Tìm kiếm
National science foundation
/nˈaʃənəl sˈaɪəns faʊndˈeɪʃən/
/nˈæʃənəl sˈaɪəns faʊndˈeɪʃən/National science foundation
01
an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education
