Translation of the scientific and technological articles can not simply convey the basic information of the source text literally by means of word to word or phrase to phrase. Instead

the differences on the characteristics and styles of the Chinese and English scientific articles should be noticed during the translation process and acceptable sentence patterns and expressions may be used to adapt to the reading habits of the target language readers. Scientific articles strive to express meaning by economy of the language and simple language is applied to explain professional problems in order to make the article understood. Under the guidance of the functional equivalence theory

this article studies four equivalent paths in the process of translation activity from Chinese to English

which can provide some learning for the people who are doing scientific translations in the field of shipbuilding English.