A unit used for classification and discrimination in pattern recognition. 在模式识别中，用于分类和判别的装置。
Channel pattern discrimination for sandy bed rivers and gravelly bed rivers 砂质河床与砾石河床的河型判别研究
The discrimination method of downstream water pattern from broad crest weir in flat sluice was developed in this paper. 给出平板闸孔宽顶堰下游出流形式的简化判别方法。
Pattern discrimination and characteristic analysis of the buried ancient channels in the inner continental shelf out of Yangtze River 长江口外内陆架埋藏古河谷的河型判别方法探讨