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1·This can be proved both in descriptive research and expositive research, and in particular, in descriptive research on sandhi rules and types.

这可以从描写性研究和解释性研究两方面来考察，尤其关于变调规律和变调类型的描写研究更为深入。

2·There are 5 patterns in the TV news comment on the typological angels: inserted comment, expositive comment, narrative comment, mutual comment and miscellaneous comment.

从类型学角度考察电视新闻评论，按其不同特征，可分为点评式、主评式、述评式、互评式、杂说式五种。