Since N. Chomsky constructed the theory of Formal Language and Automaton in the fifties of the 20th century, a great progress has been made in the study of Computational Linguistics (CL).

• 自20 世纪50 年代Chomsky 创立形式语言与自动机理论以来,计算语言学研究已经历了近半个世纪的发展历程,取得了丰硕成果。