scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台近58万条评价,用户普遍认可其读数准确、操作简单、性价比高。正面评价集中在\"老人一教就会\"\"屏幕清晰\"\"与医院测量结果一致\"。专业评测机构(如什么值得买)指出其抗弱灌注能力优于同价位产品。缺点方面:部分用户反映夹子偏紧,长时间佩戴不适;少数批次出现屏幕亮点;无蓝牙数据传输功能,无法连接APP。总体满意度极高,是百元级血氧仪的首选。","source_count":4}},{"source":"objective","score":96,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.8,"review_count":580000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.35,"confidence":1,"details":{"rating_avg":4.8,"review_count":580000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":70.48571428571428,"weight":0,"confidence":0.87,"details":{"result_count":7,"judgment_score":82,"authority_score":83.6,"top_sources":["zhihu.com","item.jd.com","bilibili.com","smzdm.com","baike.baidu.com"],"judgment_summary":"鱼跃YX301血氧仪作为家用基础款,测量准确、操作简便、性价比高,适合日常血氧监测,但缺少蓝牙传输和数据存储等进阶功能。"}}]