摩尔斯电码练习器科学实验套装

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• intros：{"brand_intro":"科学罐头是专注于儿童科学启蒙教育的国产品牌，主打\"玩中学\"理念，产品涵盖物理、化学、天文等实验套装。品牌与多所师范院校合作研发，强调安全材质与趣味性结合，在家长群体中口碑良好，多次入选天猫儿童科学玩具热销榜。","product_intro":"该产品专为6岁以上儿童设计，包含蜂鸣器、按键、电池盒及彩色说明书，可模拟真实摩尔斯电码收发。支持手动编码与解码练习，附带常见字母/数字电码对照表，并设计有\"破译密码\"闯关游戏，帮助孩子理解通信原理。外壳采用ABS环保塑料，边角圆润，电池仓带防反接保护。","key_specs":["适用年龄:6-12岁","供电方式:2节AA电池(需自备)","材质:ABS+电子元件","功能:蜂鸣发声+LED灯光提示","配件:电码对照卡、练习题卡","尺寸:15×10×4cm"]}
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