web grammar

But there are millions of Open Education Resources on the web that will help students learn anything from a foreign language to grammar.

网络上有还上百万个开放教育资源，可以帮助学生们学习包括从外语到语法在内的所有知识。

Discussed the web map language grammar of the combination of visual variables and the organization of the map elements, in the discussion on the basic concepts of web map language grammar. It could understand the organized structure system of map space organization effectively. 4.

在论述网络地图语言语法基本概念的基础上，讨论了网络地图语言按视觉变量组合的地图语法和按图面要素组织的地图语法，从而能够有效地理解有组织的地图空间组合结构体系。

It extracts feature of web pages based on grammar. The result shows that it is not suitable for detecting short web pages.

该算法基于网页语法提取网页特征，实验发现该算法不适用于短小文档的检测。