The precise order can be worked out from the direction of fractures on his skull: when bone breaks, the cracks veer towards existing areas of weakness.

我们可以通过他头骨骨折方向精确判定受伤顺序：当骨头断裂时时，裂缝总是向薄弱之处扩展。

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Having collected fresh bone flaps removed during decompressive operation and dried skull bone specimens, the author observed the structure of the skull bodes and their vascular distribution.

作者利用开颅减压手术去掉的新鲜骨瓣和干燥的颅骨标本，观察了颅骨的构筑和血管分布状况。

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In fact, the spine is more critical to our well-being than the brain, since the brain is well protected by the cranium or skull bone.

事实上，脊椎更重要的是我们远远不是脑部，由于大脑深受头骨或头骨的保护。

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