研究小组认为土卫五的大气环境是由高能粒子轰击土卫五冰封的表面，将土卫五表面的原子，分子和离子撞击到大气中而产生的。

The team believes the atmosphere is sustained by high energy particles bombarding its icy surface and kicking up atoms, molecules and ions into the atmosphere.

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当这些颗粒覆盖到某一表面时，就能堵塞表面细缝，从而减少灰尘、水分和细菌的黏附。

When they are applied to a surface, these particles block the minute crevices in it, reducing the scope for dirt, moisture and bacteria to cling to the surface.

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仍然保持选区所在，点击Ctrl + j来复制选区到一个新图层，然后在新的图层中设置表面模糊(滤镜模糊表面模糊)，参数如下。

Maintain the selection, hit Ctrl + J to make a layer via Copy and apply following Surface Blur Settings to this layer.

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And, when zinc sulfide is hit by particles or by anything, by radiation or by particles of greater than a certain critical energy, there is a glow.

当粒子或其他东西,通过辐射或粒子的方式，并且能量高于临界值,撞击到硫化锌的表面上的时候，就会发光。

麻省理工公开课 - 固态化学导论课程节选

So the Paiddeia is precisely about that formation of changing and shift from the superficial to the substantial.

因此，教育就是关于改变人的认知,从表面的认知到深入的认知。

普林斯顿公开课 - 人性课程节选

As one of the great readers of Plato : of the last century once said, "Only the surface of things " reveals the essence of things."

如同上个世纪一位重要的柏拉图读者,曾说到，“仅有事物的表面,尽展其精华“

耶鲁公开课 - 政治哲学导论课程节选