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头盔如何保护我们脆弱的大脑？ - 科学探索 - cnBeta COM

北京时间7月6日消息，头部受伤和脑震荡可能会带来可怕的后果，甚至可能影响终身。我们能否找到保护大脑安全的万全之策？大脑是我们脆弱而宝贵的资产，包裹在颅骨的厚重骨质外壳内。在很大程度上，颅骨保护着大脑免受我们日常生活中各种可能的伤害。在这一“装甲防护层”之下，还有多层保护膜和脑脊液为大脑提供缓冲。

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日媒：疫情反弹威胁欧美经济复苏_《参考消息》官方网站
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调查显示：美消费者信心降至十年最低_《参考消息》官方网站

这表明美国民众认为从个人财务到通胀和就业的一切前景都不太乐观。(@参考消息)

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