String matching is a classic research area in computer science and plays an important role in different kinds of network security systems.

串匹配是计算机研究领域的一个经典问题，是众多网络安全系统中的关键技术之一。

youdao

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。

youdao

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。

youdao