刨出极精细的部分制作端面晶粒胶合板，背面衬上一层报纸，作为器具的装饰成分。
Extremely fine sections are then planed to produce the end-grain veneers, which are backed with paper and applied as a decorative element to utensils.
提出一种新型的波长解复用器，它是一段以不对称波纹面作为出射端面的光子晶体波导。
We propose a new type of wavelength division demultiplexer composed of a photonic crystal waveguide with asymmetric corrugated exit surface.
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