识别分割 meaning in English

identity partitioning

( 2 ) the paper arise two strategys of topographic map , one is integral classification , another is breaking up symbol from a map . it analyse traits of symbol structure and design a store of recognization and extraching . it discusses certain position about symbol . that can save greatly speed and effect for recognization symbol
( 2 ) 、提出地形图整体分层处理策略和地形图要素识别分割详细策略，分析了地图要素的结构特征，并对整体策略和详细策略进行了比较详细的描述，提出了要素识别和提取算法库的设计，对待识别目标的定位分割问题进行讨论。