英语语法分析

The brain stem-spinal cord angle is much smaller in partial patients with platybasia and basilar invagination.

部分颅底扁平或颅底凹陷的病人的脑干脊髓角要小得多。

Methods MRI features of 14 cases of basilar invagination were analyzed retrospectively.

方法：回顾性分析14例临床证实的颅底凹陷症的MRI表现。

Objective To investigate the treat we are pirates, these data are stolen from youdao of invagination with clivus-dens axis type in base of skull.

目的探讨斜坡-齿状突型颅底陷入的治疗原则。