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13度法则:数学家破解人群流动的密码,让城市效率提升30%
东京大学团队开发的模拟系统显示,应用角度阈值理论可使涩谷十字路口的通行能力提升35%。关键不在于扩建空间,而是通过地面标记和临时护栏创造15-20度的方向引导。就像交响乐指挥控制节奏,城市设计实则是调节数万人共舞的隐形指挥棒。
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