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
- dust driven wind
- duster
- dust explosion
- dust extraction
- dust fingerprint
- dust flux
- dust form tailings
- dust fractal
- dust gas
- dust globule
- dust grain
- dusting agent
- dusting powder drug method
- Dustin Hoffman
- dust jet
- dust lane
- dust layer
- dustless galaxy
- dust mite
- dust model
- dust monitor
- dust nebula
- dust or sand storm
- Dustpan
- dust plasma