Several cases are presented for point contacts including single asperity, wavy surface and real engineering rough surfaces, and also for finite line contact.

计算实例模拟了点接触单峰表面，正弦表面和真实粗糙表面的弹性接触以及有限长滚子线接触等接触问题。

youdao

Add wind passing over rolling terrain and "you get the same wavy effect as on the surface of water."

加上丘陵地区起伏的风向，就产生与水面泛起的波纹相同的效应。

youdao

The wavy lines on the polished surface of jadeit jade are visiable to the naked eye or observation under magnification.

通过肉眼和放大镜下观察，翡翠玉器的抛光表面一般都可见到微波状起伏，即微波纹。

youdao

Shatter cones are surface features with distinctive wavy patterns that are known to be created only by the tremendous force of a meteorite impact or an underground nuclear explosion.

MSN: Massive meteorite crater found in Canadian Arctic