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主题:【原译】六个农业ETFs -- 张家兄弟

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家园 AAAS的预测

[URL=]http://www.economist.com/science/displaystory.cfm?story_id=10717931

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The American Association for the Advancement of Science

And now here is the virus forecast

Feb 21st 2008 | BOSTON, MASSACHUSETTS

From The Economist print edition

The first of four reports (see also article, article and article) from the American Association for the Advancement of Science looks at predicting plagues

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