A skeleton of the alvarezsauroid Alnashetri cerropoliciensis—representing a highly complete alvarezsauroid skeleton from South America—provides evidence on the evolution of the peculiar anatomy and miniaturization within this unusual theropod dinosaur clade.
Раскрыты подробности похищения ребенка в Смоленске09:27
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Dataworks 的架构设计与实践
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