英语语法分析

One key of road roughness recognition was feature extrication.

路面不平度识别的关键之一是特征提取。

The essence of the extrication of Chan sect is the freedom of life.

禅宗解脱的实质是生命的自由。

So the dissertation's key is focused on extrication texture line of skin image.

因此本文的主要重点放在皮肤图像表面的纹理线提取。