基本解释成凹同根派生 英汉例句An ROI coding method realized by foveation technology and two of its extended applications are presented. 提出了一种基于多层次渐进恢复的中央凹移位（Foveal Shift）感兴趣区域编码方法，并给出了Foveal Shift方法的两种拓展应用。Foveation visual model Foveation视觉模型