This model - an exact copy of the worn area - was sectioned and photographed.
这个模型——磨损部位的精确复制——被切割并且拍照。
A model car is a small-scale copy of a car, which represents its main features.
模型汽车是一种小型的汽车的副本，代表了其主要特征。
A model car is a small-scale copy of a car, which represents its main features.
模型汽车是一种小型的汽车的副本，代表了其主要特征。
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