Finally, the concept of commutative free product was given, and the relationship between semi-lattice free product and commutative free product was examined.
还建立了交换自由积的概念，并考察了半格自由积与交换自由积的关系。
2
This part of steel structure USES metal lattice to create a quality of transparency for the semi-outdoor area and transform it into a functional and interesting space.
这部分钢结构使用金属晶格来创造一个透明的半露天区域，并将其打造成实用有趣的空间。
3
But the remaining facades are wrapped with a semi-solid surface comprising vitrified ceramic tiles fixed to a stainless-steel wire lattice.