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
- quartzite jade
- quartz lens
- quartz monzonite
- quartz oscillator
- quartz plate
- quartz-polaroid monochromator
- quartz prism
- quartz resonator
- quartz ribbon
- quartz spectrograph
- quartz spring gravimeter
- quartz thermometer
- quartz trachyte
- quartz transducer
- quartz tube
- quartz tube atomizer
- quartz tuning fork gyroscope
- quartz ultraviolet laser
- quartz vibrating beam accelerometer
- quasar
- quasar astronomy
- quasar core
- quasar-galaxy pair
- quasar halo
- quasar infrared source