刀触点轨迹投影线  projected trace of cutter contact

轨迹投影  track-projection

投影轨迹法  Projection track method

星下点轨迹投影  projection of ground track

井眼轨迹轨迹  well path

投影②投影图  projection

导轨轨迹  Railway

动作轨迹影片研究  chronocyclegraph technique

航迹投影  route projection

纹影投影机  schlieren projector

包络-轨迹法修正齿形  Envelope-path method to corrrct the tooth profile

包络—轨迹法修正齿形  Correction of tooth progil by envelope-Path method

负碳轨迹  negative carbon footprint

2阶轨迹灵敏度  second-order trajectory sensitivity

3维裂纹扩展轨迹  three dimensional crack growth trajectory

4D轨迹  Four-Dimensional trajectory

6DOF飞行轨迹  6DOF flight trajectory

6-DOF飞行轨迹  6-DOF flight trajectory

6-D飞行轨迹  6-D flight trajectory

B-spline轨迹  B-spline Trajectory