(一)免除承运人对旅客应当承担的法定责任;
消息面上,原油价格上涨传导至农业板块,农产品价格近期上涨,3月9日,国内油脂品种价格显著上涨。截至收盘,豆粕、菜油、棕榈油主力合约价格分别收涨3.16%、3.78%和6.25%。同时,成交量爆发式增长,菜棕油日成交量创逾5个月新高,豆油日成交量创下2023年7月以来最高纪录。历史数据显示,玉米、大豆等核心农产品价格与原油价格走势高度相关:一方面,油价上涨显著提升生物燃料经济性,美国约40%玉米用于乙醇生产,掺混比例有望攀升;另一方面,伊朗作为全球第二大尿素出口国和重要硫磺供应国,其产能受限叠加航运中断,将推高化肥成本并传导至种植端。
。safew对此有专业解读
The paper demonstrated 90% success against knowledge bases containing millions of documents, using gradient-optimized payloads. What I tested is a vocabulary-engineering approach — no optimization against the embedding model — against a 5-document corpus. The corpus is obviously smaller than what the paper evaluated, so the success rate isn’t directly comparable. The value of a small local lab is reproducibility and clarity of mechanism, not scale. In a real production knowledge base with hundreds of documents on the same topic, the attacker needs more poisoned documents to reliably dominate the top-k — but the attack remains viable. The PoisonedRAG authors showed that even at millions-of-documents scale, five crafted documents are sufficient when using their optimization approach.,推荐阅读谷歌获取更多信息
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