波浪纹是古钱币的名词
wavy grain ; wave ; ruched ; quilted figure ; raised grain
找一个圆盘，在已剪出的一对弧形布片上划出波浪纹边，前剪出波浪纹边。
Grab a plate and trace half-circles along the curved edge of each pair of wing pieces and cut out.
二层南向的包间要小一些，顶面装饰着独特的波浪纹，简洁的用竹子装饰的墙创造出有趣的空间感。
The rooms above on the south are smaller and feature a special waved ceiling pattern and simple bamboo wall surface, which creates interesting and spacious room features.
图案花样有时会在意想不到的地方自发形成，比如泥泞道路上的波浪纹，或是某些条纹形态的云彩，这些花样形成的原因都是物理学家的研究内容。
Sometimes patterns form spontaneously in unexpected places, such as the washboard pattern on a dirt road, or the stripe formations of certain clouds, and it's the job of physicists to figure out why.
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