得力白板算盘教学演示用大号磁吸式算盘

评测依据

• review_count：15200
• rating_avg：4.8
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• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 02:53:42","to":"2026-06-26 02:53:42"}
• intros：{"brand_intro":"得力集团是中国最大的办公与学习用品综合供应商之一，始创于1988年。品牌以\"品质、创新、服务\"为核心，产品覆盖文具、办公设备、教学仪器等领域。其白板算盘系列凭借高性价比和稳定的磁吸工艺，在小学数学教具市场占据领先地位，深受学校和培训机构的信赖。","product_intro":"该产品为教学演示用大号白板算盘，采用磁吸式算珠设计，可直接吸附于白板或铁质黑板上。算珠直径约3.5cm，色彩鲜艳（红、黄、蓝、绿四色），便于后排学生观察。框架为加厚ABS塑料，耐摔耐磨；每档10颗算珠，共13档，支持整数与小数演示。背面附有强力磁铁，吸附稳固不易滑落。","key_specs":["适用对象：小学1-3年级数学教学","档位：13档","算珠直径：3.5cm","材质：ABS塑料+磁铁","颜色：红/黄/蓝/绿四色","安装方式：磁吸式"]}
• alt_products：[{"product_name":"得力白板算盘教学演示用大号磁吸式算盘","brand":"得力","model":"74501","price":89},{"product_name":"晨光白板磁吸算盘教学专用13档大号","brand":"晨光","model":"ADB98301","price":75}]
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• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该算盘磁吸牢固，挂在白板上不晃动，算珠滑动顺畅且声音清脆。家长反馈孩子在家练习时能清晰看到进位过程，老师称赞其色彩区分度高，适合课堂集体演示。少数用户提到算珠边缘略有毛刺，但整体做工对得起价格。京东好评率98%，复购率较高，常作为学校批量采购首选。","source_count":3}},{"source":"objective","score":69.14530303030303,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.8,"price":89,"wom_score":92.89999999999999}},{"source":"user_review","score":96,"weight":0.3,"confidence":1,"details":{"rating_avg":4.8,"review_count":15200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@小学数学王老师：这款算盘是我用过最稳的磁吸款，上课不用再担心掉下来。","@宝妈爱分享：孩子自己拨珠学凑十法，比看动画片还专注。"]}}]
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