scoring_breakdown:[{"source":"word_of_mouth","score":89.19999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台5.8万条评论,米家指甲打磨器好评率约96%。用户普遍称赞其\"静音效果惊艳\"\"打磨细腻不伤甲\"\"防水清洗方便\"。专业评测(如\"老爸评测\")指出其转速稳定性优于同价位产品,但部分用户反映粗磨头对厚指甲效率偏低,且婴儿软头易磨损。缺点集中在:充电口胶塞易脱落、长期使用后电机发热。整体而言,作为入门级电动指甲打磨器,米家是性价比首选。","source_count":3}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":58000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.25,"confidence":1,"details":{"rating_avg":4.6,"review_count":58000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"百元价位能买到这种静音和防水表现,米家确实卷。\"——美妆博主@精致大姨","\"给宝宝用很放心,软头不会伤到指甲边缘。\"——母婴博主@小丸子妈妈"]}}]