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
- contact
- contactal cement
- contact algebra
- contact analog
- contact angle
- contact angle hysteresis
- contact area
- contact binary
- contact breaker
- contact chronometer
- contact circle
- contact circuit
- contact copying
- contact curve
- contact dermatitis
- contact discontinuing
- contact discontinuity
- contact drum
- contact drying
- contact electrical phenomenon
- contact electromotive force
- contact element
- contact EMF
- contact engaging and separating force
- contact fatigue