...了几种模型：运动模型（Tracking with motion model）、关键帧（Tracking with reference key frame）和重定位（Relocalization）。 下面一一介绍。
权威例句
1.
More important, display technology is a high innovation area with some promising opportunities for relocalization to the USA. US manufacturers and start-ups need to be thinking about that.
FORBES: How Samsung Became Such a Formidable Competitor