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International mobility of scientists and engineers of the United States : brain drain or brain circulation?类型：  图书 : 国家级的政府刊物出版商： Arlington, VA : National Science Foundation, Directorate for Social, Behavioral, and Economic Sciences, [1998] |
brain drain (由 1 个人) |
brain gain (由 1 个人) |
economic development (由 1 个人) |
high-skilled migration (由 1 个人) |
immigrant scientsts (由 1 个人) |
science and technology (由 1 个人) |
