材料和方法：用基于边界点链码的数据结构(线段表)来描述和存储二维图像。
Material and Method: in this paper, we try to describe and store the image using a data structure, interval list, which was based on the Freeman Chain Code of the image's boundary.
表中单芯铠装电缆仅适用于直流线路，如用于交流则必需采用非磁性材料或减少磁损耗结构的铠装。
The single core armored cable in the list are only suitable for use for DC circuit. If used for AC circuit, non-magnetic material or armored by reducing magnetic loss structure must be used.
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