这些贡献包括编程语言和数据类型的公理化，形式验证，形式规约与分析。

These achievements include the axiomatization of programming languages and data types, formal verification, and formal specification and analysis.

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文中还设计了改进CDT通讯规约C语言编程的通讯软件。

Also, this paper do some work on designation on the communication software of improved CDT communication protocol scheme with Clanguage.

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