鉴于此，重点探讨了利用软件保护方法维护公用计算机软件系统安全的对策。
This paper probes emphatically into some countermeasures for maintaining the security of the public computer software system by using the software protection methods.
图书馆读者用机的大量增加，使得公用计算机软件系统的维护管理成了管理员最为棘手的一个问题。
Along with readers using computer more and more in library, it becomes a involved problem for administrator to maintain software system of public computer.
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