The tentative plan of machine translation is the earliest it is French scientist G.B. Buddhist nun of A Er Hunan is in what 20 centuries put forward at the beginning of 30 time.

1933, the Teluoyang of Russia this base the machine that the design gave to translate a kind of language into another kind of language, put forward machine of have the aid of to have detailed move of the interpreter, design the prototype that by a belt and support of a bedplate mechanical principle undertakes translating the job. But his transducer can be not made.

1946, the computer comes out before long, flower, A of two engineers of United States. D.Booth&W. Weaver put forward to use the computer to undertake an interpreter first, published 1949 " interpreter memorandum " .

This century 50 time later period and United States of 60 years early days had appeared the first time upsurge that machine translation studies.

1954, american Qiao Zhidui university and international business use machine firm (IBM) combines an experiment to use computer machine translation system first, become the Russian material interpret of 250 words English, the success that experiments this is indicating be born of machine translation system truly. After this, the United States, Russia, Japan, Italy, Belgian, England, Germany lifted machine translation heat.

Our country began to study machine translation issue 1956, 85 " of 75 " of 65 " of " , " , " plan and hi-tech research development plans (863 plans) all include key project machine translation. Undertake as the development of research, those who appeared to be a target with English-Chinese and automatic interpreter is practical model language processing system.

Language of American academy of sciences handled the ALPAC report that the advisory committee publishs automatically to sprinkle cold water of one gourd ladle to machine translation 1964. After this, language information processing has had one Duan Chen lonely again period.

Since 70 time later period, as a result of the development of the flying progress of computer technology and lingustic theory, system of a few machine translation and interface of database natural language already were entered practical, in the meantime, as a result of social demand drive, language information processing considers to enter prosperous period afresh again. Its indicate significantly is, already product of information processing of language of quite a few enters the market.

Study a plan on on the international that finishs at the beginning of 90 time two large machine translation formerly (Europe in all the EUROTRA of body and Japan and 4 ODA) of neighbour fail to achieve anticipated goal.

At the beginning of 90 time, by the is based on a corpus statistical method that a few scholars advocate, encounter heavy obstacle likewise. From this, have domestic and internationally quite the current situation that one part expert begins pair of Natural Language Processing, theoretical foundation and technical course undertake sober ground thinks. A few scholars think, natural Language Processing has not span up to now " of " semantic obstacle, in the meantime, they also are in brewing new breakthrough.
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