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。

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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。

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But the remaining facades are wrapped with a semi-solid surface comprising vitrified ceramic tiles fixed to a stainless-steel wire lattice.

但是剩下的立面包裹着一个半立方体面，由釉面陶瓷瓷砖粘贴在不锈钢金属网格上而构成。

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Researchers at the University of Pennsylvania and MIT may have found a semi-sweet solution -- dissolving a sugar lattice in a batch of living Jell-O.

ENGADGET: Researchers use 3D printer, sugar, to create a fake artery network for lab-grown tissue