scoring_breakdown:[{"source":"word_of_mouth","score":83.8,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"小米商城及京东32万条评价,F300评分4.6分。用户普遍认为\"199元买到旗舰配置,性价比无敌\",尤其赞赏其大水箱和长续航,出差一周无需充电。专业评测显示其水压稳定性优于松下DJ10,但略逊于洁碧WP-660。缺点方面:部分用户反映APP连接不稳定,且喷头更换成本较高(39元/2支)。另外,机身塑料感较强,质感不如国际品牌。总体而言,是预算有限用户的明智之选。","source_count":3}},{"source":"objective","score":92,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":320000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.35,"confidence":1,"details":{"rating_avg":4.6,"review_count":320000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":71.23571428571428,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":82,"authority_score":88.6,"top_sources":["zhihu.com","smzdm.com","bilibili.com","baike.baidu.com","item.jd.com"],"judgment_summary":"小米米家电动冲牙器F300以199元价位提供了可靠的脉冲清洁体验,便携性和防水性出色,适合预算有限且追求日常口腔清洁的用户,但水箱容量和脉冲稳定性仍有提升空间。"}}]