Trajectory Extraction  轨迹提取

knowledge extraction from trajectory data acquired by PMU  PMU轨迹数据的挖掘

trajectory parameters extrapolation  弹道参数外推

Extraction and back extraction  萃取反萃取

extraction and back-extraction  萃取－反萃

Extraction or Non-Extraction Plan  拔牙与不拔牙的治疗

extraction-anti-extraction  萃取反萃取

Extraction-Back-Extraction  萃取－反萃取

Oil Extraction Office of No.3 Oil Extraction Factory  中国石油青海油田采油三厂开发室

2-D trajectory correction  二维弹道修正

3-D guidance trajectory  三维制导轨迹

3-D guidance trajectory propagation  三维制导轨迹推演

3D tracking trajectory of head vertex  头顶点的三维运动轨迹

3D trajectory  三维航迹

3-D trajectory  三维轨迹; 天线电动机

4D trajectory  四维轨迹

4-D trajectory  四维轨迹

6-D ballistic trajectory  六自由度弹道

6-D flight trajectory  6-D飞行轨迹