本文基于形式语言与自动机理论，主要对钢筋标识串的自动识别进行了研究。

Based on the formal language and automaton theory, this paper mainly studies the automatic recognition of steel character symbol.

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有三个核心领域：形式语言与自动机理论、可计算性理论和计算的复杂性理论。

The three main research areas of the theory are: formal language and automata theory, computability theory and the computing complexity theory.

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