To explore the possibility to bridge facial nerve defects by acellular xenogeneic nerve made through chemical extraction .
探索化学萃取神经支架用于异种移植，桥接面神经缺损的可行性。
Image features extraction and selection are the premise of the defects classifier built-up.
缺陷图像的特征提取和选择是缺陷分类器设计的前提。
Automatic inspection of oil well tubing transverse defects and longitudinal defects is a key means to guarantee the quality of repaired oil well tubing and reduce accidents in oil extraction.
油管是采油工程中的重要构件之一，油管纵、横向缺陷自动检测是保证修复油管质量、减少采油作业事故的关键手段。
The edge detection of fabric defects is the base of geometrical features extraction and the essential process of the fabric defects identification.
疵点边缘检测是提取疵点形状特征的基础，是疵点识别的重要步骤。
The edge detection of fabric defects is the base of geometrical features extraction and the essential process of the fabric defects identification.
疵点边缘检测是提取疵点形状特征的基础，是疵点识别的重要步骤。
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