There lies lots of controversial questions in the creation and study of biography literature, such as the classification, characteristics, creation method, etc.
传记文学的创作和研究，目前还存在着许多有争议的问题，诸如这一文体的分类、特征和创作方法等。
The author raises some questions misguided about the definition and classification of the cosmetics.
提出了在化妆品定义与分类方面存在的很多误导问题。
We put forward a novel question classification hierarchy which is based on answer type and question pattern. It retains the semantic and structured information of questions.
我们提出了一种基于答案类型与问题模式的问题分类体系，同时保留了问题的语义信息与结构信息。
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