1·The author wants to investigate its syntactic constituents, semantic relationships and prag.
从语义学的观点来看，词和词、句和句之间存在着各种语义关系。
2·Scanned engineering drawings are self- organizationally recognized based on Primitive Region Adjacency Graph (PRAG).
本文提出基于单义域邻接图的扫描工程图样自组织智能识别。
3·The change of lexicalization is closely related to degrammaticalization which bring about two kinds of lexicalization-one with grammaticalization markers and one with fossilization of prag.
词汇化的演变与脱语法化有密切的关系，由脱语法化的性质衍生出两种词汇化，即语法标记词汇化和语用结构词汇化。