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
- Modern Republicanism
- Modern Review
- modern rose
- modern scheduling
- Modern School Buildings in Tongzhou
- modern school system
- modern service industry
- modern silicon industry in China
- Modern Sketch
- modern society
- modern sociological approaches
- Modern Sociology
- modern sports in foreign countries
- modern structural testing technology
- modern-style poetry
- modern tantalum and niobium industry in China
- modern theory
- Modern Times
- modern times
- modern tin, antimony, bismuth, cadmium and mercury industry in China
- modern titanium industry in China
- modern topology
- Modern Tragedy
- modern tungsten industry in China
- Modern Urban Research