另取8例新鲜尸体的正常颈椎间盘标本作为对照组。
The specimens of 8 normal cervical intervertebral discs from fresh corpses were harvested as control group.
经测量发现，正常颈椎失稳的临界值为887n，极限强度值为1457n。
The measured critical value of stability loss for normal and healthy cervical spine is 887n, while the ultimate strength 1457n.
选取40例正常MRI扫描图像与80例临床具有颈椎椎间盘症状患者的MRI扫描图像进行分析。
MRI scanning images of 40 normal and 80 clinical cases with cervical intervertebral disc disease were analyzed comparatively.
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