如图所示，食物，诸如大块切割肉或包装产品，放在传送带上，置于电子束下。
As shown in this diagram, food, such as large cuts of meat or packaged products, is placed on a conveyor belt under the electron beam.
电子束曝光机版图切割过程中可能出现带内孔的多边形，并且多边形内环与外环之间可能发生重叠。
During the layerout cutting process for thee beam lithography system, some polygons with one or more inner holes may appear.
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