科技英语的主位推进模式与语篇连贯

Thematic Progression and Textual Coherence of English for Science and Technology

主位结构是系统功能语法中的一个重要概念,是促进语篇连贯的衔接手段。运用"主位推进"模式对科技英语语篇进行主位推进程序模式的分析,对了解和揭示科技英语这种语篇的构建和规律具有积极意义。

As an important concept in Systemic-Functional Grammar, theme-rheme structure promotes the textual coherence. In these practical studies, the application of Thematic Progression to the analysis of EST can be found,which improves readers’s ability of text construction and comprehension of EST.