“question and answer for unstructured text”的概念、定义、翻译、参考文献-科学参考

单词	question and answer for unstructured text
释义	question and answer for unstructured text Encyclopedia 理学问答系统释 question and answer for unstructured text面向非结构化文本的问答接受用户以自然语言形式描述的问题，并从大量的非结构化文本数据中查找出能回答该问题的准确、简洁答案。是一类信息检索系统。
随便看	phase-sensitive detector phase separation phase separation in glass phase separation liquid liquid extraction spectrophotometry phase separation liquid-liquid extraction spectrophotometry phase separation model phase separation of 3He4He solution phase separation of ^3He^4He solution phase separation of polymers phase shiffer phase shift phase shiftedelectronspeckle patterninterferometry phase shifter phase shifting phase-shifting compensator phase-shifting interferometric microscopy phase-shifting mask plasmonic imaging lithography phase-shift keying phase-shift keying modulation and demodulation phase-shift keying, PSK phase shift mask technology phase-slip center phase slowness phase space phase space density

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。