语类潜势由文化语境决定。
与话语方式相对应的语类潜势，包括渠道潜势和修辞方式潜势两个层面。
Genre potential corresponding to the mode of discourse, obtaining potential of channel and potential of rhetorical mode.
在特定的情景语境制约下，通过对语类潜势中三个层次的选择，可以生成不同的语类。
Determined by context of situation, different genres can be generated through choices in the three levels of genre potential.
本文的研究假设是：（1）语类结构潜势理论对大学英语实用写作教学能够产生何种作用，是积极的，还是消极的?。
The author puts forward two hypotheses which are: 1. What kind of effects does the GSP theory have on the college English practical writing, positive or negative?
系统功能语言学将语类定义为与语域及情景语境相关联的语类结构潜势。
Systemic functional linguistics defines genre as the generic structural potential in relation to the register and the context of situation.
接着，论文较详细地讨论了语境结构的预测、语境配置和语类结构潜势，并分析了结构成分。
Then it discusses in rather detail the prediction of contextual structure and configuration and the features of GSP, followed by an analysis of the structural elements.
哈桑的语类结构潜势理论只针对柜台服务商业语类的语篇结构成分及顺序的选择，没有涉及在文化语境的制约下各种语类的生成。
Hasan's GSP only focuses on options of structural elements and their sequences in counter-service business genre, without study the generation of various genres in context of culture.
根据哈桑的语类结构潜势理论，语类结构由必选成分和可选成分及其重复成分和顺序组成。
According to Hasan's generic structure potential theory, a generic structure is constituted of the obligatory elements, the optional elements, their recursive elements and their sequence.
根据哈桑的语类结构潜势理论，语类结构由必选成分和可选成分及其重复成分和顺序组成。
According to Hasan's generic structure potential theory, a generic structure is constituted of the obligatory elements, the optional elements, their recursive elements and their sequence.
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