This method not only shortens the time of designing complex surface of contour cathode, but also provides a convenience to modify the shape of the cathode later on.
本方法不但缩短了复杂型面成型阴极的设计时间，还能为以后阴极形状的修改提供便利。
One is to create a rough structure on a hydrophobic surface, and the other is to modify a rough surface by materials with low surface free energy.
一般情况下，超疏水表面可以通过两种方法来制备：在疏水性表面构建粗糙结构或者在粗糙表面修饰低表面能物质。
Laser shock is a new surface technology to modify the surface properties of materials.
激光冲击技术是一种新的材料表面改性新技术。
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