neuralnetworksanddeeplearning（未完） 发表于 2018-08-30 更新于 2018-10-29 分类于 临床实践 说明： 1. 翻译自Weinstein JN,et al.Spinal pedicle fixation: reliability and validity of roentgenogram-based assessment and surgical factors on successful screw placement.Spine,1988,13(9):1012-8.