scoring_breakdown:[{"source":"word_of_mouth","score":86.5,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高,百元价位能提供稳定的打发性能,尤其适合新手入门。300W电机在打发蛋白和淡奶油时表现够用,但揉制硬面团时电机发热较快,建议少量使用。外观设计获年轻用户喜爱,多色可选。部分用户反馈长期使用后按键灵敏度下降,但整体故障率低。京东好评率97%,天猫累计评价超6万条,是销量最高的国产打蛋器之一。","source_count":0}},{"source":"objective","score":90,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.5,"review_count":65000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":90,"weight":0.45,"confidence":1,"details":{"rating_avg":4.5,"review_count":65000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["测评博主@家电实验室:小熊打蛋器是百元价位最值得买的产品,没有之一。","烘焙新手@小白的厨房:第一次做戚风蛋糕就用它,成功率高,强烈推荐。"]}}]