为了比较两者，科学家扫描了尼安·德塔人的头骨碎片，在电脑里组合成一个虚拟的大脑，然后跟不同发育阶段的现代人婴儿大脑的电脑模型做比较。
To compare the two brains, scientists assembled a virtual Neanderthal brain by scanning skull fragments and comparing the computer models at different stages of growth to the human baby brain.
使用一个单独的成碎片的模型/逻辑单元。
他们利用计算机模型来跟踪其路径，但直到上个月俄罗斯轮船STSPallada从檀香山航行联络他们，他们都没有直接观察到大量的碎片带。
They used computer models to track its path, but until the Russian ship STS Pallada sailing from Honolulu contacted them last month, they had no direct observation of the massive debris field.
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