As well as the structural elements, HTML 5 adds some purely semantic block-level elements.

除了结构性元素之外，HTML 5还增加了一些纯语义性的块级元素。

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The structural dynamic response of a certain multi? cylinder internal combustion engine block is analyzed applying finite element method.

应用有限元方法对某多缸内燃机机体在活塞推力作用下的结构动力响应进行了分析。

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New structural details illustrate how a promising class of antibodies may block human immunodeficiency virus (HIV) -1 infection and reveal valuable clues for design of an effective HIV-1 vaccine.

新的结构上的细节揭示一组潜在的抗体如何能够阻断人类免疫缺陷病毒(HIV) - 1的感染，并为设计有效的HIV - 1疫苗提供了有价值的线索。

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The school was shut on Friday, 12 October after a structural report identified asbestos in the main block.

BBC: Cwmcarn school asbestos: Pupils to move to Ebbw Vale

After the 1968 Ronan Point tower block partial collapse in London, in which four people died, new British Standard Structural Design Codes for concrete were introduced to prevent it happening again.

BBC: WTC collapse forces skyscraper rethink