scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"京东好评率98%,累计评价超5.8万条。家长普遍反馈刀头圆润安全,给宝宝理发时不会划伤头皮,噪音小宝宝不哭闹。部分用户提到定位梳刻度清晰,新手也能轻松上手。少数评论指出电池使用一年后略有衰减,但整体性价比高,是入门级首选。","source_count":0}},{"source":"objective","score":94,"weight":0.2,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":58000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":58000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.25,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@儿科医生王凯:飞利浦这款理发器噪音控制很好,宝宝不会抗拒。","@辣妈育儿经:刀头很顺滑,第一次用就成功给娃剃了光头。"]}}]