Some have short sections on validation and verification, but those simply point either to IEEE standards or other formal methods.

其中几本教材中有很少的篇幅涉及到确认和验证，但是仅仅是简单的引用IEEE标准或其他正式的方法。

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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。

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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。

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