设计了利用KOH溶液定向腐蚀制作出的平行四边形蚀坑串，所形成的锯齿状沟槽结构来固定光纤。
The dentate groove is devised which is composed of a series of the etched parallelogram pits in KOH solution.
采用物理化学相分析方法，对一种新研制的抗燃气腐蚀长寿定向凝固合金的相作了定性和定量分析。
By using physicochemical phase analysis, the phase in a new directionally solidified superalloy resisting combustion gas corrosion with long life had been determined qualitatively and quantitatively.
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