Under the modern network environment, owing to the characters of multi hosts, fast spread, high destructive effect, etc, computer virus has become public nuisance of the information society.

现代网络环境下的计算机病毒，以其宿主多、传染快、破坏性强等特征，已经成为信息社会的公害。

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By applying carefully the database functions of transaction handling and concurrent access, the platform guarantees data reliability and data integrity in multi user network environment.

该系统还利用了数据库自身的事务处理与并发控制功能，解决了在多用户网络环境下的数据完整性和可靠性问题。

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Passive traffic measurement was realized through configured Multi Router traffic Grapher (MRTG), and the method was used in the test network environment.

通过多路由流量记录器管理工具的配置实现被动流量测量并在环境测量实验中得以验证。

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