The visibility of the paths was determined by pixel similarity, neighboring difference and the direction of the edges synthetically, which made the ants move along the real edge pixels.
综合考虑了像素间相似性、邻域差和边缘走向三个因素来确定启发式引导函数，使蚂蚁沿着真正的边缘行走。
It notes: 'The difference in price levels is particularly striking when comparing neighboring member states with similar income levels.
报告指出：当把收入水平近似的相邻的成员国进行比较时，物价水平的差异尤其突出。
There is a big difference in elevation within the site, and its neighboring land is also diverse.
本区域内的地势存在很大差异，其相邻地区的地势也颇不平坦。
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