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Juveniles charged with dousing acid on playground slides that injured 4 children_我的网站

一 |     8 月 25 日，据《华尔街日报》报道，中国 AI 模型近年来快速缩小与美国头部模型的差距，其背后并非短期突然出现的技术突破，而是清华大学等高校长期形成的人才网络，以及开源技术、人才回流和更高算力效率等因素共同推动的结果。    LONGMEADOW, Mass. -- Two juveniles have been charged after several slides at a Massachusetts park were doused with acid in this summer and four children were injured, the Hampden District Attorney Anthony Gulluni said.The juveniles, whose identities cannot be released due to their ages, have been charged with four counts of assault and battery on a child with injury and assault and battery with a dangerous weapon as well as vandalism, Gulluni said. His office did not say whether the pair have been arrested.“Our collective effort to charge those we believe are responsible should make clear that protecting this community’s children is among our highest priorities,” Gulluni said in a statement late Thursday. "Whether the threat and harm caused were intended as pranks or malicious acts, it will not be tolerated.”In June, police and firefighters responded to Bliss Park in Longmeadow for a report of a suspicious substance on the playground equipment. At about the same time, firefighters and emergency medical technicians went to a nearby home for a report of children with burns who had just left the park.“I let the kids go play. I didn’t notice that there was liquid to collect at the bottom of the slide. I just assumed it was rainwater,” their mother, Ashley Thielen, told Western Mass News in Springfield. “I didn’t really think much of it, and then, my baby, who is 1, just started crying. That was when I knew this liquid that they were around wasn’t water.”The acid left mostly superficial blisters and swelling on her children’s skin, Thielen said, but it could have been much worse.“The bottom of the slide, where it was, there was a good amount of it collected there,” she said. “I was surprised he didn’t start splashing in it.”Authorities determined that someone broke into a storage room where chemicals are kept at the park’s swimming pool and stole muriatic acid. The acid, which can be used for cleaning or for maintaining a pool’s pH balance, was then poured on three slides, authorities said.。报道认为，以智谱 AI 联合创始人唐杰、月之暗面创始人杨植麟以及 DeepSeek 创始人梁文锋等人为代表的一批研究者，构成了中国这一轮 AI 追赶的重要力量。《华尔街日报》称，中美两国多名行业人士认为，中国最好的 AI 模型目前与美国最先进模型的能力差距已经缩小至数月。今年 6 月，马斯克曾预测中国要到 2027 年第一季度才能追上 Anthropic 的顶级模型，唐杰随后回应称，“不会需要那么久”。报道将中国 AI 人才体系的形成追溯至 20 多年前。2005 年，图灵奖得主姚期智在清华大学创办“姚班”，培养计算机领域的顶尖人才。

二 | 与此同时，唐杰长期在清华从事数据挖掘和机器学习研究，其实验室后来成为中国 AI 人才的重要来源之一。杨植麟曾师从唐杰，在清华研究机器学习算法，随后赴卡内基梅隆大学攻读博士，回国后创办月之暗面。这种高校与创业公司的人员流动逐渐形成了一张 AI 人才网络。2018 年，中国进一步放宽科研人员创业及科研成果商业化限制，次年唐杰从清华实验室孵化出后来发展为智谱 AI 的公司。早在 OpenAI 于 2020 年发布 GPT-3 后，智谱就将开发同等级模型作为目标。不过，相比美国 AI 企业，中国公司长期面对资金和先进芯片不足的问题。杰富瑞测算，在相关时期内，中国科技公司的投入规模不到美国同行的五分之一。在这一背景下，提高算力利用效率成为中国 AI 企业追赶的重要路径。DeepSeek 是其中的代表。报道提到，DeepSeek 通过多头潜在注意力机制（MLA）降低模型运行中的内存消耗，并较早在中国采用混合专家模型（MoE），以减少对芯片算力的需求。这些技术成为 2025 年初“DeepSeek 冲击”的重要基础，当时其推出的低成本开源模型引发美国科技股震荡，也迫使中国同行重新审视技术路线。中国 AI 企业之间的技术交流也进一步加快了迭代速度。月之暗面后续模型采用了 DeepSeek 使用或验证过的 MoE 及 MLA 变体，而 DeepSeek 也采用了月之暗面优化过的训练技术。

三 | 不同团队通过论文、开源模型和技术实践相互借鉴，形成了与封闭模型路线不同的技术扩散机制。与此同时，人才回流也成为另一条技术路径。腾讯招募了曾在 OpenAI 工作的两名清华毕业生，字节跳动则引入曾供职于谷歌的中国研究人员。报道认为，美国 AI 公司的技术进展、海外人才回流以及中国本土研究网络，共同加快了中国 AI 公司的追赶速度。但算力仍是中国 AI 企业面临的主要制约。梁文锋今年 5 月表示，芯片而非人才，是中美 AI 公司之间最关键的差距。阿里巴巴、智谱等头部实验室研究人员称，他们获得的高端芯片数量往往只有 OpenAI、谷歌同行的五分之一。

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Published on:18:08:09