scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其数据精准度,与健身房专业设备对比误差极小。鸿蒙系统联动体验流畅,一次测量即可在手机、手表、智慧屏多端同步。外观设计简约高级,大屏幕显示清晰。少数用户反映App内健康建议偏笼统,且对低体重儿童(<10kg)测量不够稳定。整体好评率超过97%,是300元价位段口碑最稳定的体脂秤。","source_count":0}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":125000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.25,"confidence":1,"details":{"rating_avg":4.8,"review_count":125000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.4,"details":{"kol_count":2,"scored_count":2,"matched_count":0,"base_score":82,"weighted_score":80,"sample":["\"华为这款秤的八电极数据,和我在医院做的DEXA扫描结果高度吻合。\"——科技博主@爱范儿","\"全家人的健康数据都在一个App里,老人小孩都能用,这才是智能家居该有的样子。\"——生活博主@小艾的日常"]}}]