英语语法分析

What's more, the research of backbone topology is strategetic and of great importance in network attack and defense.

更重要的是，对骨干网拓扑结构的研究具有战略性，在网络攻防中的作用举足轻重。

Secondly, the thesis analyzes this strategetic cooperation partner relationship and expounds merits and demerits of building this relationship.

其次对制造商和供应商的战略合作伙伴关系进行分析，阐明了建立战略合作伙伴关系的优缺点。