It's built with something called a buttressed core: you have a strong centre section 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。

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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。

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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.

二战期间，图灵在布莱切里公园工作，这里是英国破译密码的中心，一段时间里他作为“Hut 8”部门的头，这个部门负责德国海军的密码翻译工作。

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The Novotel Sheffield Centre secured the accolade in the Access for All award section and Wakefield's Tourism Information Centre pipped some well-known and popular towns to the title of Tourist Information Centre.

BBC: Yorkshire Dales

In a letter sent to the World Heritage Centre in Paris, the Department of Natural Resources and Tourism says the 50km (30-mile) section of road across the park will "continue to be managed mainly for tourism and administrative purposes, as it is now".

BBC: Serengeti road scrapped over wildlife concerns

The concerns centre on a section of the English test, where pupils are asked to produce a piece of creative writing - an area which has attracted complaints in recent years.

BBC: Head teachers complain of 'erratic' Sats marking