一篇封麵的文章半年,另外一篇才2個月不到,不少Nature文章半年內也已用很少,但怎麽解釋比較好?
回複:引用很少,10多次,因為都是剛發不久。1 year? half year? less than half year?
所有跟帖:
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回複:回複:引用很少,10多次,因為都是剛發不久。1 year? half year? less than half year?
-just-do-it!-
♀
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02/23/2008 postreply
18:16:38