求翻译：这是因为已经存在的研究将两类分类模型中所得到的阈值参数直接应用到多类模型中的结果，直接将两类分类问题下得到的阈值参数应用到多类分类问题中就存在一定的局限性是什么意思？

This is because the research that already exists will be two categories in the classification model threshold parameters to be directly applied to multi-class model, the results directly to the two types of classification problems threshold parameters applied to the multi-class classification proble

This is because there are no studies of the two categories in the classification model of the threshold parameters applied directly to many types of models, the results in the two categories directly under the classification of the threshold parameters are applied to the multi-class classification p

This is because already existed research the threshold value parameter which obtained two classification class models in applies directly in many kind of models the result, the threshold value parameter which obtained two classification class questions under applies directly in the multi-classificat

This is because the study will already exist in the two-class classification model by threshold parameters applied directly to more results in a class model, directly under the two-class classification problems are threshold parameters applied to multiple class classification problems exist limitati

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