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  1. Oxford American Dictionary

    virtual

    • IPA[ˈvərCH(əw)əl]

    美式

    • adj.
      almost or nearly as described, but not completely or according to strict definition；not physically existing as such but made by software to appear to do so
    • 釋義

    形容詞

    • 1. almost or nearly as described, but not completely or according to strict definition the virtual absence of border controls
    • ▪ not physically existing as such but made by software to appear to do so a virtual computer
    • ▪ carried out, accessed, or stored by means of a computer, especially over a network a virtual library virtual learning
    • ▪ relating to the points at which rays would meet if produced backward.
    • ▪ denoting particles or interactions with extremely short lifetimes and (owing to the uncertainty principle) indefinitely great energies, postulated as intermediates in some processes.