Cellulose is a structural material in plants.

纤维素是一种植物里的结构性材料。

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This is a major step forward in the technical innovation of transparent structures and for glass as a structural material.

技术创新的透明结构和以玻璃作为结构材料，这是一个重大的进步。

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Aluminium alloy as a new type of structural material, is more and more widely used in modern architecture.

铝合金作为一种新型结构材料，在现代建筑中得到了越来越广泛的应用。

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The virus then can self-assemble, that is, you've made a lot of genetic material, you've made a lot of the structural pieces, there has to be some way that the virus can reassemble, repackage itself into active forms.

于是,病毒可以进行自组装了,也就是说,已经制造出大量的遗传物质,也制造出了大量蛋白质外壳,那么病毒就能通过某些方式,重新装配或者重新组合成活性状态

耶鲁公开课 - 生物医学工程探索课程节选

The 900-pupil school was shut late on Friday after a structural report identified the material.

BBC: Cwmcarn asbestos: Report order to all Welsh schools

Belonging to a class of worlds known as diamond planets, 55 Cancri e is thought to be rich in the element carbon, which can exist in a variety of structural forms such as graphite (the material used as pencil lead), graphene, or diamond.

BBC: Oddballs: The strange worlds beyond our Solar System