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Paleontologists know chert as a good place to look for fossils.
古生物学家以黑硅石为化石采集地点的标志。
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Thus we can better understand the deformation of chert in a highly fluid form.
这样我们就能更好地理解燧石在高度流体状态时的变形情况。
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Thus we can better understand the deformation of chert in a highly fluid form.
这样我们就能更好地理解燧石在高度流体状态时的变形情况。
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