Science Publishing Group

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Since Elsevier Science Publishing Group established its mirror sites of electronic journals at Tsinghua University Library and Shanghai Jiaotong University Library in April of 2000 , the service paradigm of electronic journals based on mirror sites has been popularized by users .
自从2000年4月ElsevierScience出版集团在清华大学图书馆和上海交通大学图书馆建立电子期刊镜像服务器以来,这种基于镜像服务器的电子期刊服务方式在用户中得到了普及。