scoring_breakdown:[{"source":"word_of_mouth","score":94.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其过滤效果和佩戴舒适度,京东好评率98%。多数评价指出在粉尘浓度高的车间使用后,呼吸明显顺畅,滤芯更换周期长。部分用户提到价格略高于国产同类,但认为品质值得。少数反馈在高温高湿环境下阻力略有增加,但整体性能稳定。适合对过滤精度要求严格的工业场景。","source_count":0}},{"source":"objective","score":94,"weight":0.55,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.7,"review_count":12500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["工业安全专家李工:3M 60926是车间粉尘防护的标配,过滤效率实测远超国标。","环保博主@绿动未来:在电子厂洁净室使用半年,滤芯无破损,性价比高。"]}}]