在对标题中的情景语境变项进行分析的基础上，进一步说明了新闻的社会功能对新闻语言使用的影响。
Furthermore, it explains the impact of social function on the use of language based on the contextual variables analysis in headlines.
语域即由情境变化而产生的语言变体，由话语范围、话语基调和话语方式三个变项构成，对英语语篇理解起着重要的制约作用。
Register is variety of language in situational context which consists of three variables: field, tenor and mode. They have some restrictive functions on discourse comprehension.
本文在前人研究的基础上，换一种思路，将语法特点或语法特征皆视为新加坡华语的语法变异；以变异社会语言学理论为指导，研究语法变项的使用。
On the guide of variation sociolinguistics, this paper considers all the features discovered or to be discovered as grammatical variation in Singapore Mandarin and studies its variables and usages.
本文在前人研究的基础上，换一种思路，将语法特点或语法特征皆视为新加坡华语的语法变异；以变异社会语言学理论为指导，研究语法变项的使用。
On the guide of variation sociolinguistics, this paper considers all the features discovered or to be discovered as grammatical variation in Singapore Mandarin and studies its variables and usages.
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