Application of videoing - skill to speed skating teaching in p.e majors .

录像技术在体育专业速度滑冰课教学中的运用。

Dynamic videoing and film play back : real time dynamic videoing and image acquisition during both videoing and playback available .

动态录像与电影回放：实时动态录像，录制过程或回放过程中均可抓拍图像。