Constructing a textual analysis model for translation quality assessment;

Further, an application of Six-Sigma in science & technology book translation has been studied, consequentially; the translation quality has been improved to extensive extent.

This paper describes the concept and classification of the translation quality evaluation mode,analyzes the quantitative evaluation mode,and further puts forward the model of the evaluation system and its development standard,which establishes the theoretical foundation for realizing the translation quality evaluation system.

The quality of translation is an important item of measuring the tools.

The evaluation of translation quality is a key topic in this field, while the automation of quality evalution is the emphasis.

Based on Michael Hoey’s theoretical framework, this thesis aims at investigating the interrelationship between lexical density and lexical cohesion in oratorical texts, and intends to explore the correlation of lexical density and lexical cohesion with English-Chinese translation quality.

Thus, cohesive devices have the correlation with translation quality theoretically.

The popularity and internationalization of English bring into prominence the quality of translation from English to Chinese.

Examples are used to illustrate the difference between the original language and the target one in structure and its culture; the quality of translation depends not only on the verbal expression but also on the technical knowledge.