scoring_breakdown:[{"source":"word_of_mouth","score":87.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在性价比高、操作简单、炖煮效果好。多数用户认为70kPa压力足够日常使用,米饭口感好,肉类软烂。双内胆设计受到好评,可分别用于煮饭和炖菜。少数用户反映密封圈使用一段时间后需更换,但整体故障率低。天猫好评率97%,是百元价位段爆款。","source_count":0}},{"source":"objective","score":94,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.7,"review_count":210000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.45,"confidence":1,"details":{"rating_avg":4.7,"review_count":210000,"source":"product_reviews_aggregate"}},{"source":"expert","score":78.4,"weight":0.1,"confidence":0.4,"details":{"kol_count":1,"scored_count":1,"matched_count":1,"base_score":76,"weighted_score":80,"sample":["家电测评师@科技狐:美的这款电压力锅不到300元,功能齐全,双内胆很实用,适合预算有限的家庭。"]}}]