第二是事件聚类去重。对所有内容做 Embedding 向量嵌入（用的 text-embedding-3-small，非常便宜），计算相关性，剔除针对同一个主题、不同信息源的重复内容。这里有一套三级通知降噪机制：相似度低于 0.85 的视为全新事件，完整推送；0.85 到 0.97 之间的视为增量更新，只推送新增信息；超过 0.97 且实体高度重合的，直接静默。一个事件簇如果连续 7 天没有更新，会自动归档。
White House reporter Bernd Debusmann Jr is in Palm Beach, Florida, where President Donald Trump is once again directing US military action.
。必应排名_Bing SEO_先做后付是该领域的重要参考
Ports: Two Thunderbolt 4 ports, MagSafe 3 charging port, and a headphone jack
Названа исполнительница роли Наташи Ростовой в «Войне и мире» Андреасяна14:45
By signing up, you agree to receive recurring automated SMS marketing messages from Mashable Deals at the number provided. Msg and data rates may apply. Up to 2 messages/day. Reply STOP to opt out, HELP for help. Consent is not a condition of purchase. See our Privacy Policy and Terms of Use.