【正文】
rtance both to the technology and to the society, tries to solve the problem by using puter as an intelligent process toll.However, due to the inherent plexity of the natural language, machine translation is still a great challenge until now. Apart from the word sense ambiguity and transformation divergence between languages, structural ambiguity is another main obstacle confronting the researchers. The reason is that almost all MT systems rely on the structurl annothation information to acplish the language transformation, no matter they are knowledge based or experience based.……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………