多普勒效应实验仪（数字显示型）

评测依据

• review_count：342
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:53:11","to":"2026-06-26 02:53:11"}
• intros：{"brand_intro":"中科科教是国内知名的物理实验仪器制造商，依托中科院技术背景，专注于中学及大学物理教学仪器的研发与生产。品牌以\"科学、精准、创新\"为核心理念，产品多次获得教育装备行业金奖，在声学、光学实验领域拥有多项专利，市场覆盖全国3000余所重点中学及高校。","product_intro":"该套件采用高精度超声波传感器与数字显示屏，可实时显示声源频率变化。包含可调速运动小车、声源模块、接收器及支架，支持手动和电动两种驱动模式。实验时通过改变声源与接收器的相对速度，直观演示多普勒效应引起的频率偏移现象，数据精确到0.1Hz，适合高中物理选修课及大学普通物理实验。","key_specs":["频率测量范围：20Hz-20kHz","速度调节范围：0.1-5.0m/s","显示精度：±0.1Hz","供电方式：DC 5V/2A适配器","包含配件：运动小车×1、声源模块×1、接收器×1、导轨×1","适用年级：高中及以上"]}
• alt_products：[{"product_name":"多普勒效应实验仪（数字显示型）","brand":"中科科教","model":"ZK-DPL-200","price":1280},{"product_name":"多普勒效应综合实验仪（声光双模）","brand":"智云达","model":"ZYD-DPL-300","price":980},{"product_name":"多普勒效应实验系统（无线版）","brand":"朗威","model":"LW-DPL-500","price":1680}]
• kol_quotes：["@物理实验王老师：这款仪器数据很准，学生一看就懂，比用音叉演示效果好多了。","@中学物理教研员：中科科教的产品一直很稳定，这款多普勒仪是实验室标配。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该套件操作简单，数据稳定，数字显示清晰，适合课堂演示。多位物理教师反馈，实验效果直观，学生能快速理解频率变化与相对速度的关系。部分用户建议增加蓝牙无线传输功能以方便数据记录。整体评价较高，认为性价比优于进口同类产品。","source_count":2}},{"source":"objective","score":81.37499165971641,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.7,"price":1280,"wom_score":87.1}},{"source":"user_review","score":94,"weight":0.3,"confidence":1,"details":{"rating_avg":4.7,"review_count":342,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@物理实验王老师：这款仪器数据很准，学生一看就懂，比用音叉演示效果好多了。","@中学物理教研员：中科科教的产品一直很稳定，这款多普勒仪是实验室标配。"]}}]
• method_version：v3
• search_visual：null