A few days ago, he says, somebody apparently cut fine slits in the rear tires of his car.
他说，几天前，有人显然在他的轿车后轮胎划上了细口。
The holograms were fabricated using a very finely focused ion beam to cut a pattern of extremely small slits just 20 nm across through a thin silicon membrane 30 nm thick.
全息图是用精细聚焦的离子束在一片30 n m厚的薄硅膜上切割出20nm长的极小的裂纹的图案组合而成的。
Cut several 2cm-long slits, 2cm apart, into the top of the roll.
戳上一些2厘米长的细孔，在成卷的顶部。
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