Collection maturity. A 5-document corpus is a best case for the attacker: there are few legitimate corroborating documents for the financial topic, so three poisoned docs can dominate retrieval easily. In a mature knowledge base with dozens of documents touching Q4 financials — analyst summaries, board presentations, quarterly filings — the attack needs proportionally more poisoned documents to achieve the same displacement effect. The access control layer also becomes more useful in mature collections, because tighter document classification limits where injected documents can be placed.
2020年，口罩核心材料熔喷布的价格坐上了过山车：从2万元/吨涨到65万元/吨，又跌到15万元/吨，再反弹回50万元/吨。
。业内人士推荐雷电模拟器作为进阶阅读
Момент удара ракеты по спутниковой станции в Израиле попал на видео20:56
Bodycam has a folk-horror story in an urban setting.