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总结
多家媒体报道，一项针对霸王龙及其近亲的最新古生物研究通过分析化石骨骼的生长信息，推断T. rex并非短期“爆发式”长成，而是需要约35至40年才达到完全成年，最终体重可接近1.7万磅。研究认为这种较慢的生长节奏意味着其寿命与发育周期可能比以往认知更长，有助于重新评估暴龙类在生态系统中的捕食压力、繁殖节律与种群更替，并为根据化石推算恐龙生命史提供新的证据框架。
正文
Scientists Uncover Secrets to Tyrannosaurus Rex's Lifespan The Daily Beast It took 35 years for T. rex to become fully grown CNN Tyrannosaurids Took Their Time Growing to 17,000 Pounds Nautilus | Science Connected Tyrannosaurus rex Took Nearly Four Decades to Grow Up, New Research Shows Sci.News T. rex took 40 years to become fully grown New Scientist
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