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
- nickel laterite metallurgy
- nickel matte
- nickel metal hydride battery
- nickel-metal hydride battery
- nickel metallurgy
- nickelocene
- Nickelodeon
- nickel ore flotation
- nickel ore resources
- nickel oxide hydroxide
- Nickeloy
- nickelplate
- nickel selenide
- nickel tetracarbonyl
- nickel-titanium alloy
- nickel zinc battery
- nickel-zinc battery
- nickel-zinc ferrites
- nickel–cadmium battery
- nickel–metal hydride battery
- Nick Knight
- nick translation
- Nico alloy
- Nicobarians
- Nicobar Islands