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Wed, Apr 12, 2017 2:20 PM
The economic benefits of publicly-funded R&D, how de...
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@baipu
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Wed, Apr 12, 2017 2:21 PM
對呀 我也這麼覺得
z7598zdcpc
@z7598zdcpc
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Wed, Apr 12, 2017 2:21 PM
Science: 355 (6332)
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