嘉亿物理教学音叉（带共鸣箱）

评测依据

• review_count：1250
• rating_avg：4.8
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• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:55:21","to":"2026-06-26 02:55:21"}
• intros：{"brand_intro":"嘉亿是国内知名的物理教学仪器品牌，专注于中小学及高校实验器材研发生产十余年。公司拥有精密冲压与调音技术，产品通过教育部教学仪器质量检测认证。以高性价比和稳定音准著称，在物理教师群体中口碑极佳，是学校批量采购的首选品牌之一。","product_intro":"该音叉为512Hz标准频率，配备木质共鸣箱，采用优质碳钢一体锻造，经专业调音仪校准。叉臂表面镀铬防锈，手柄握感舒适。共鸣箱采用中空设计，敲击后声音洪亮、余音悠长，适合声波振动、音调、共鸣等物理实验演示，附赠橡胶敲击锤。","key_specs":["频率：512Hz（标准C调）","材质：碳钢镀铬","配件：木质共鸣箱+橡胶锤","尺寸：音叉长18cm，箱体20×8×5cm","精度：±0.5Hz","适用：初中/高中物理实验"]}
• alt_products：[{"product_name":"嘉亿物理教学音叉（带共鸣箱）","brand":"JIAYI/嘉亿","model":"JY-512Hz","price":38},{"product_name":"威顿物理实验音叉套装（4支装）","brand":"WITTON/威顿","model":"WT-440-512-1024-2048","price":89}]
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