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"the serrations of a city skyline"
"the pliers had serrations to improve the grip"
"one of the serrations was broken off"
以上来源于: WordNet
N the state or condition of being serrated 锯齿状
The points for attention in designing the serration axle are pointed out.
指出了渐开线螺旋花键轴几何尺寸设计时应注意的问题。
The new method for designing Fresnel lens has a wide serration breadth and unequal pitch.
用这一方法设计的菲涅耳透镜，齿宽较大，齿距不等。
The full text used the methods of combining literature and the literature, and make serration research as a whole for li zhi.
全文使用文学与文献结合的研究方法，对李廌作整体的研究观照。
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