产品质量与安全问题也在侵蚀品牌信誉。黑猫投诉平台显示，九号电动车累计投诉量达 4166 件，电机故障、电池虚标等问题频发；2024 年国家市场监督管理总局抽查中，7 批次产品不合格，山东省抽检还发现其淋水涉水性能不达标。海外市场同样丑闻不断，2025 年 3 月，美国消费品安全委员会因折叠装置故障召回 22 万辆 Segway 滑板车，这已是四年内第四次海外召回。
Nvidia chips have led in the training of AI models, but it has faced an onslaught of competition in inference, the process whereby a trained model is applied to real-world data to generate answers through reasoning.
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Despite the physical and emotional demands of the job, McKenzie says nothing beats the incredible experiences he's had - as well as the satisfaction of contributing to environmental research.
"Monika stepped in without hesitation, took on more of the day-to-day load, and created the space I needed to deal with both grief and practical issues."