得力音叉式声音特性实验套件

评测依据

• review_count：3200
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:55:15","to":"2026-06-26 02:55:15"}
• intros：{"brand_intro":"得力集团是中国知名的办公与文具品牌，创立于1988年，总部位于浙江宁波。产品涵盖办公用品、学生文具、教学仪器等领域，以高性价比和严格品控著称。得力拥有国家级工业设计中心，其教学实验器材在中小学校中普及率极高，尤其物理实验套件因操作简便、耐用性强而广受教师推荐。","product_intro":"该套件包含两个不同频率的音叉（256Hz和512Hz）、共鸣箱、橡胶锤及连接支架，可演示声音的音调、响度、音色及共鸣现象。音叉采用铝合金材质，经精密调音，频率误差小于±1Hz。共鸣箱为木质中空结构，能有效放大声音，便于课堂演示。套件附带实验指导手册，适合初中物理声学章节教学。","key_specs":["音叉频率：256Hz + 512Hz","频率精度：±1Hz","材质：铝合金音叉 + 木质共鸣箱","配件：橡胶锤、支架、指导手册","包装尺寸：28cm×18cm×5cm","适用年级：初中及以上"]}
• alt_products：[{"product_name":"得力音叉式声音特性实验套件","brand":"得力","model":"DL-2023Y","price":45},{"product_name":"中科科教音叉声学实验箱","brand":"中科科教","model":"ZK-AC202","price":89}]
• kol_quotes：["@物理老师王老师：得力这款套件是入门级首选，频率准、价格低，学生人手一套不心疼。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":86.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该套件做工扎实，音叉发音清晰稳定，共鸣箱效果明显。多数教师反馈其价格实惠，适合班级批量采购。部分家长提到孩子在家做实验时兴趣浓厚，能直观理解音调与频率的关系。少数评论指出橡胶锤偏软，建议附赠备用锤。整体好评率超过95%，在京东教学仪器类目长期排名前五。","source_count":2}},{"source":"objective","score":78.83863636363635,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.6,"price":45,"wom_score":86.5}},{"source":"user_review","score":92,"weight":0.3,"confidence":1,"details":{"rating_avg":4.6,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":76,"weight":0.1,"confidence":0.6,"details":{"kol_count":1,"scored_count":1,"sample":["@物理老师王老师：得力这款套件是入门级首选，频率准、价格低，学生人手一套不心疼。"]}}]
• method_version：v2
• search_visual：null