表面起伏ꊝ-在合适的光线下通过肉眼可以发现的晶圆片表面凹陷。
Dimple eA concave depression found on the surface of a wafer that is visible to the eye under the correct lighting conditions.
实时跟踪版材表面起伏变化并调整镜头前后位置，保证曝光点到镜头之间的距离不变。
Our autofocus feature can keep constant distance between the laser and plate in real time mode.
无线遥测电波在海浪环境传播时不同于陆地，海浪的表面起伏不平，表现为一定的统计规律。
Radio propagation in ocean wireless channel is different from the way in land. The ocean surface is roughness which is conformed to some statistical law.
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