Further methods for manufacturing such a medium are described, e. g. inclined sputtering or selective etching.

另外，还披露了用于制造这种介质的方法，例如倾斜溅射或选择性蚀刻。

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In order to reveal the detail structure of the polymeric materials, the selective etching treatment of the materials is necessary.

为了提高图象观察的质量和真实反映材料结构的细节必须使材料的结构细节充分暴露出来。

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In view oi the problems existing in the silicon micro pressure sensors, this paper proposes the chemical etching techniques and the selective etching processes to control diaphragm thickness.

并针对硅微压传感元件研制中存在的问题，提出采用化学腐蚀技术，选择性腐蚀工艺控制膜厚。

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