Optimization of apparatus translation algorithm for English complex long sentences based on multi-layer filtering

English apparatus translation is a handle mechanism for spontaneous tongue, but most English apparatus translations rely too much on the manual summary of tongue experts when acquiring grammar rules, and there are large errors in the process of English apparatus understanding under some weakened rules, and there are semantics. The disadvantage of large error in feature extraction. Apparatus translation is an vital research field of spontaneous tongue handle, and it has a wide range of application prospects in today's message society and military departments. Apparatus translation is an vital research direction in the field of spontaneous tongue handle. In the existing English-Chinese apparatus translation system, long sentence analysis is a research difficulty. With the burgeon of message technology, patent or technical long sentences with huge amount of words and complex structure have widely appeared in people's daily work. How to translate these long sentences reasonably and effectively has become an urgent problem to be solved by the existing apparatus translation technology. The means used in this paper is multi-layer filtering, which can effectively filter redundant phrase pairs in the phrase table and reduce the excessive consumption of time and space in decoding.