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xiao xing wei xing ji suan ji xi tong 2 0 0 8 qi kan
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发表类型 dian qi gong cheng shi fa biao lun wen shi me lei xing qi kan
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收录 类型 发表 lun wen fa biao zai qi kan zhong shou lu lei xing shi shi me
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收费 发表 shou fei xing qi kan shi yao fa biao de shi hou cai shou fei
学术 类型 发表论文 xue shu qi kan lun wen fa biao de wen zhang lei xing you 6
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