起伏 rise and fall; ups and downs; heave rolling; undulate; fluctuate 起伏不平的地形 a wavy terrain; 起伏的波涛 theheaving billows; 关系起伏 ebb and flow of the relations; ups and downs in the relations; 山峦起伏。 the mountain ranges rise and fall
Dimple - a concave depression found on the surface of a wafer that is visible to the eye under the correct lighting conditions 表面起伏-在合适的光线下通过肉眼可以发现的晶圆片表面凹陷。
Dimple - a concave depression found on the surface of a wafer that is visible to the eye under the correct lighting conditions 表面起伏-在合通下线光的适过肉眼可以发现的晶圆片表面凹陷。