我正在尝试将OpenNLP的自定义特征生成用于NamedFinderAPI。http://opennlp.apache.org/documentation/1.5.3/manual/opennlp.html我浏览了文档，但无法理解如何指定不同的功能。它只是说:AdaptiveFeatureGeneratorfeatureGenerator=newCachedFeatureGenerator(newAdaptiveFeatureGenerator[]{newWindowFeatureGenerator(newTokenFeatureGenerator(),2,2),newWindowFe