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2013-05-23 12:21
求翻譯:that on average only 1–3 patents out of 100 yield sig-nificant financial returns (see e.g., Stevens and Burley,是什么意思?![]() ![]() that on average only 1–3 patents out of 100 yield sig-nificant financial returns (see e.g., Stevens and Burley,
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