But some network security systems cannot combine these technologies, cannot give attention to efficiency of system, and scarce of fine-granularity inner security management.

但现有的一些网络安全系统未能将上述技术有机地加以结合，不能很好地兼顾系统执行效率，对系统内部缺乏细粒度的安全管理。

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But some network security systems cannot combine these technologies, cannot give attention to efficiency of system, and scarce of fine-granularity inner security management.

但现有的一些网络安全系统未能将上述技术有机地加以结合，不能很好地兼顾系统执行效率，对系统内部缺乏细粒度的安全管理。

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