Lida kapsul - Post 4970850

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PatzigxgdhtkjSaddler (Talk | contribs)
(Created page with '半衰期是指某学科领域现阶段尚在利用的全部参考文献中较新颖的一半是在多长时间内发表的.衰减系数则是指引文中近5年内被引用文…')

Current revision as of 04:00, 6 August 2012

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