传输当前块的预测误差信号和运动向量，这描述了参考画面中预测器块位置。
A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture.
你可以用一切可用的视觉参考来制作：比如画，高质量的相片，杂志，当然也可以是其它的电影画面。
You can use all the visual references you can think of: paintings, art magazines, quality photographs, and of course other films.
用于被检测的和参考的A 扫描之间的在线比较的多画面显示。
Split-screen display for on-line comparison between measured and reference A-scans.
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