vertex oriented grammar

例句：

1. 1. The vertex-oriented grammar approach is a popular method for analyzing texts.
   顶点定向语法方法是分析文本的流行方法。
2. 2. This research adopts the vertex-oriented grammar to study the development of English vocabulary.
   这项研究采用了顶点定向语法来研究英语词汇的发展。
3. 3. The vertex-oriented grammar has been widely used in educational technology and language learning.
   顶点定向语法在教育技术和语言学习中得到了广泛的应用。