However, the deployment of the existing tools in real-world projects also showed the weaknesses and problems of formal verification techniques.

不过，在现实世界工程的现有的工具的部署也显示正式的证实技术的弱点和问题。

youdao

The formal description techniques for intelligent network (IN) service and the theory and methods in IN's service verification are the key technologies in IN's realization.

智能网业务的形式化描述技术和业务验证的理论与方法是目前智能网（IN）业务实现过程中的关键技术。

youdao

Based on the ITU-T Intelligent Network CS Recommendation, the paper studies the formal description techniques (FDT) for in service and the theory and methods in in's service verification.

本文依据国际电信联合委员会(itu - T)的智能网能力集建议，对智能网业务的形式化描述技术(FDT)、智能网业务逻辑验证的理论与方法等进行了研究。

youdao