There are several hundred English verbs that can introduce a (direct) reporting clause and a classification of them is made by logical and semantic criteria.
Then, systematically, defined it and its intension which including supply chain characteristic, clause, classification , function of the agreement, and so on.
论文系统地归纳和总结了供应链契约的内涵外延,包括供应链契约的特点、条款、分类、作用等。
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Finally, the paper constructs a system network for the classification of the English identifying clause.