理学 文本挖掘评测 释 Topic Detection and Tracking; TDT 话题检测与跟踪会议 由美国国防高级研究计划委员会（DARPA）主办的一个关于信息抽取的会议。又名TDT。
TDT 全称：Terrestrial Dynamical Time。地球力学时
数据库 数据库新技术 释文 topic detection and tracking, TDT 主题检测与跟踪 人工智能 计算语言学 释文 tonic detection and tracking, TDT 话题检测与跟踪
- flat transaction
- flat transfer
- flat tube
- flat-tuning
- flat universe
- flatus vaginalis
- flavacin
- flavacol
- flavan
- flavandiols
- flavane
- flavanol
- flavanone
- flavanone; dihydroflavone
- flavanonol
- flavanonol; dihydroflavonol
- Flavian Amphitheatre
- Flavian Dynasty
- flavin
- flavin adenine dinucleotide
- flavin cofactor
- flavin mononucleotide
- flavobacteriosis
- flavodoxin
- flavoenzyme