scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小米商城及小红书等平台超过58万条评论,小米体脂秤2整体好评率高达97%。用户普遍称赞其\"价格亲民、数据准确、APP好用\",尤其对自动识别家庭成员功能表示满意,认为\"全家人都能用,非常方便\"。专业评测机构(如什么值得买)指出,其体脂测量结果与专业医疗级设备偏差在3%以内,性价比极高。缺点方面,部分用户反映蓝牙连接偶尔不稳定,需要重新配对;玻璃面板易留指纹和划痕;体脂数据对运动员或肌肉量较大人群可能不够精准。此外,有少数用户反馈电池仓设计较紧,更换电池不便。总体而言,小米体脂秤2是入门级体脂秤的标杆产品,适合追求性价比和智能生态的家庭用户。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":580000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":580000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["科技博主钟文泽:小米体脂秤2是百元级体脂秤的'守门员',该有的功能一个不少,价格还这么低,很难找到对手。","小红书健身达人:用了半年,数据很稳定,配合米家APP的饮食记录,减脂效果看得见,强烈推荐学生党入手。"]}}]