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.
Фото: Nathan Howard / Reuters
。关于这个话题，91视频提供了深入分析
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“真正的L4需依靠L2++城市NOA大规模量产积累数据。当L2++覆盖绝大部分场景，用户在边界外才接管，这种体验本身就符合L3的描述。” 地平线首席生态官徐健说。