英语语法分析

OBJECTIVE. : To determine how many thoracic scoliotic pedicles have cancellous versus cortical versus absent channels.

研究目的：确定胸椎侧弯椎弓根有多少松质骨、皮质骨及缺如通道。

Title: a Novel Pedicle Channel Classification Describing Osseous Anatomy: How Many Thoracic Scoliotic Pedicles Have Cancellous Channels?

一种新椎弓根通道分类描述骨性解剖结构：有多少胸椎侧弯椎弓根有松质骨通道？

We assessed the predictive value of the fulcrum bending radiograph in the context of alternate-level pedicle screw fixation of the scoliotic spine.

在椎弓根螺钉交替节段固定侧弯脊柱的情况下，我们对支点弯曲影像的预测值进行评估。