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關注：1
2013-05-23 12:21
求翻譯：fields. On the time dimension, the 19 patent cohorts from 1978 to 1996 are combined into是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
fields. On the time dimension, the 19 patent cohorts from 1978 to 1996 are combined into
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