Close inspection of the surface of Prometheus itself in the above image shows interesting structure and craters.

上图中，对土卫十六本身表面的近距离观察展现了其有趣的结构和坑洞。

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Surface reconstruction helps scientists more closely align comparable regions and structures in many different brains and has been used to create online atlases of brain structure.

“表面重建”技术帮助科学家更为精密地对许多不同大脑的类似区域与结构进行校准，同时该技术还被用于在线地创建大脑结构地图集。

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The electrons interact with the atoms at the surface of the object, revealing the texture and structure with a depth of field that makes for a great three-dimensional sense of the target.

电子与物体表面的原子相互作用，以景深的方式揭示出物体的纹理和结构，使观察目标有了立体感。

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But in this test, each identical fake flower, regardless of its surface structure, contained a sweet reward of sucrose.

BBC: Velcro petals help bees hang on

Even websites and blogs have been devoted to only this topic of tax structures, and seeing how I must intelligently submit this in so many words or less, I can only begin to scratch the surface of how the structure itself will be reformatted.

FORBES: Guest Post: Tax Reform

Digging below the surface of GDP reveals a structure of value-adding production far more complex than the simplistic analysis given by most media reports.

FORBES: Think Consumption Is The 'Engine' Of Our Economy? Think Again.