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Number of Published Science and Engineering Articles Flattens, But U.S. Influence Remains Strong（图）
Published Science 出版业 Engineering 工程学
2007/7/24
July 19, 2007，A new National Science Foundation (NSF) report finds the number of U.S. science and engineering (S&E) articles in major peer-reviewed journals flattened in the 1990s, after more than two...