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Virtual library is a very efficient way to organize Internet resources.
虚拟图书馆是因特网信息资源的有效组织形式。
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The process of virtual manufacturing can save the resources and avoid risk.
虚拟加工过程，能节省资源并避免风险。
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The process of virtual manufacturing can save the resources and avoid risk.
虚拟加工过程，能节省资源并避免风险。
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