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measures of R&D expenditures
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measures of R&D expenditures
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理学
科学技术统计
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measures of R&D expenditures
R&D经费测度
以R&D经费为研究对象的统计测度工作。包括统计单位内(内部的)经费的测度和统计单位外(外部的)经费的测度。
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