理学 自动问答技术 释 knowledge extraction 知识抽取 把蕴含于信息源中的知识经过识别、理解、筛选、归纳等过程抽取出来，存储形成知识元库。
人工智能 知识工程 释文 knowledge extraction 知识提取
- outlet structure of pumping station
- outlier
- outlier detection
- outlier detection method
- outlier problem
- outlier test
- outlier treatment
- outline
- outline bloodstain
- outline curve
- outlined font
- outline font library
- Outline History of Environmental Design
- Outline of Ancient and Modern Characters
- Outline of Ancient Chinese Vocabulary
- Outline of Archives Science
- Outline of Art
- Outline of Beijing Urban Plan
- Outline of Calligraphy
- Outline of China Land Law
- Outline of China's Rural Poverty Alleviation and Development
- Outline of Chinese Dialects
- Outline of Chinese Modern and Contemporary Dance History
- Outline of Chinese Philology
- outline of city construction plan