瓣硅藻的两片硅化的细胞壁之一。

One of the two silicified halves of the cell wall of a diatom.

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因此，如何正确地识别硅化岩石与原岩，以及硅化的强弱对于找矿有着重要意义。

So it has more important significance that how to recognize silicified rock from host rock and the extent of silicify.

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所述氧化层的部分被移除，以使所述沟槽填充的氧化层作为第一多晶硅层基本平面化。

Portions of the oxide layer are removed to substantially planarize the trench-filled oxide layer as the first polysilicon layer.

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