直到伤口边缘开始收缩，裂缝开始主动填补修复时，他和他的妻子才可以每天向伤口里塞满潮湿的纱布以保持它洁净并帮助修复。
Until the edges contracted and the gaping expanse filled in on its own, he and his wife would have to pack damp gauze into the wound every day to keep it clean and help it heal.
主动学习要求你在学习时坐在凳子的边缘。
Active learning may require you to sit on the edge of your chair while studying.
主动轮廓线模型引入高层知识，在处理局部间断的边缘时，具有优于传统轮廓提取方法的提取效果。
With the introduction of high level information, Snake model has more satisfactory effects than what gained by the traditional method when dealing with disconnected edges in the image.
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