Sea urchin spines show exceptional mechanoelectrical sensing from gradient structures and can be replicated in 3D-printed mimics for underwater sensing.
2月26日，携程集团公布了其2025年业绩公告。去年全年，该集团实现净收入624亿元，剔除投资收益的净利润为134亿。当市场习惯性地从营收、净利润等数字中探寻增长与衰退的线性轨迹时，这份报告却揭示了一个更为深刻的趋势：在流量红利见顶、行业竞争格局趋于固化的当下，头部平台正经历一场静水流深的角色蜕变。
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"Enchanted" by Taylor Swift (Episode 2)
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