问题描述：
英语翻译
Then,half of the cranial and half of the caudal
vertebral body were embedded in polymethylmethacrylate
cement to allow to fix them in the spine tester.
Then,half of the cranial and half of the caudal
vertebral body were embedded in polymethylmethacrylate
cement to allow to fix them in the spine tester.
问题解答：
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