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
- bifidobacterium
- Bifidobacterium adoltescentis
- bifidobacterium bifidum
- Bifidobacterium Breve
- Bifidobacterium infantis
- Bifidobacterium longum
- biflag
- biflavone
- biflecnode
- bifocal
- bifocal lens
- bifocus
- bifoliate
- bifolium
- biform
- bifunction
- bifunctional chelator
- bifunctional chelator approach
- bifunctional conjugating agent
- bifunctional coupling agent
- bifunctional initiator
- bifunctional initiator; difunctional initiator
- bifunctionalization
- bifunctional mechanism of electrocatalysis
- bifunctional monomer