科技文摘，在语篇结构、文体风格、社会功能等方面具有特定的体裁特征。
Technical abstracts have their own features in terms of communicative functions, linguistic patterns and textual structures.
由于不同的交际目的和功能，不同体裁的语篇存在着不同的图式结构。
Different communicative purposes and functions determined different schematic structures of different genres.
修辞体裁研究和篇章结构论旨在分析独白语篇的组织模式。
Both rhetorical genre studies and text structure theory are for the purpose of analyzing the structural patterns of written monologues.
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