writable: false means no code can reassign window.Audio to a different value. configurable: false means no code can even call Object.defineProperty again to change those settings. If fermaw’s initialisation code tried to restore the original Audio constructor (a perfectly sensible defensive move) the browser would either fail or throw a TypeError. The hook was permanent for the lifetime of the page.
Donald Trump tapped Emil Michael (at right) in December 2024 to become undersecretary of defense for research and engineering.WIN MCNAMEE—Getty Images
。51吃瓜对此有专业解读
Scientists created an exam so broad, challenging and deeply rooted in expert human knowledge that current AI systems consistently fail it. “Humanity’s Last Exam” introduces 2,500 questions spanning mathematics, humanities, natural sciences, ancient languages and highly specialized subfields.，这一点在服务器推荐中也有详细论述
（新华社北京2月27日电 记者韩洁、胡璐、古一平、韩佳诺）