It's built with something called a buttressed core: you have a strong centresection with legs that buttress it all the way up.
它的建造依赖这一个支撑核心：你有一个坚强的核心部分来保证整个塔是直的。
2
For tubular structures, such as blood vessels, the hydrogel is printed in the centre and around the outside of the ring of each cross-section before the cells are added.
在生产管状结构，例如血管时，每一层细胞涂布之间，水胶会被涂布到血管截面的内外来形成支撑。
3
During the Second World War Turing worked at Bletchley Park, Britain's code-breaking centre, and was for a time head of Hut 8, the section responsible for German naval cryptanalysis.