scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"大品牌质量好\"\"切瓜整齐\"\"不锈不钝\"。多数买家表示刀片锋利且耐用,用了整个夏天依然如新。部分用户提到12片设计适合大西瓜,切出的瓜片较薄,适合摆盘。少数反馈称手柄连接处偶尔松动,但整体满意度高。在天猫平台评分4.8,复购率较高。","source_count":3}},{"source":"objective","score":94,"weight":0.2,"confidence":0.7,"details":{"dimension":"durability","rating_avg":4.7,"review_count":9200,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.45,"confidence":1,"details":{"rating_avg":4.7,"review_count":9200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["美食评测员@老刘厨房:炊大皇的刀片用料确实扎实,用了半年没生锈,切西瓜又快又稳。","生活博主@居家小能手:这款切瓜器送长辈很合适,品牌硬、做工好,老人用着放心。"]}}]