胞状结构的出现大大提高了钢的强度。

Cell structure improves the strength of steel greatly.

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经过长期进化，生物质已经形成了复杂的分级胞状结构。

Biomass exhibits complex hierarchical cellular structures due to the long-term evolution and development.

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实验表明：材料挤压强化主要是形成位错密度很高的胞状结构。

The experimental results show that the hydrostatic extrusion strengthening results from high dislocation density.

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