得力透明塑料量角器 180°半圆量角器 学生绘图测量工具

评测依据

• review_count：125000
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 00:12:27","to":"2026-06-26 00:12:27"}
• intros：{"brand_intro":"得力集团始创于1988年，是中国最大的办公与学习用品综合供应商之一，拥有覆盖全国的研发、生产与销售网络。品牌以\"好品质，选得力\"为核心理念，产品线涵盖办公文具、学生用品、办公设备等数千个品类，多次获得\"中国驰名商标\"称号，在消费者中享有极高的性价比口碑。","product_intro":"这款经典半圆量角器采用高透明度PS塑料材质，刻度清晰耐磨，180°双刻度设计（内圈0°-180°与外圈180°-0°），便于左右手双向测量。边缘光滑无毛刺，中心点定位精准，适合学生数学几何绘图、工程制图及日常角度测量。轻巧便携，符合国家学生文具安全标准。","key_specs":["材质：高透明PS塑料","量程：0°-180°（双刻度）","尺寸：约10cm×5.5cm","厚度：约2mm","精度：±1°","适用场景：学生绘图/办公测量"]}
• alt_products：[{"product_name":"得力透明塑料量角器 180°半圆量角器 学生绘图测量工具","brand":"得力（Deli）","model":"DL-72001","price":3.5},{"product_name":"晨光高精度量角器 学生几何绘图量角器 半圆透明","brand":"晨光（M&G）","model":"ARL96001","price":4},{"product_name":"马培德不锈钢量角器 专业绘图量角器 180°半圆","brand":"马培德（Maped）","model":"MAPED 882100","price":18}]
• kol_quotes：["@文具测评师老张：得力这款量角器是入门级天花板，3块钱买不了吃亏。","@宝妈爱分享：孩子数学课老师指定款，透明不遮挡视线，画角很准。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"累计超过12万条评价，好评率98%以上。多数用户称赞其\"透明度高、刻度清晰、价格实惠\"，尤其适合中小学生日常使用。部分家长反馈孩子使用半年后刻度依然清晰，不易刮花。少数用户提到塑料较薄，用力过猛可能轻微变形，但整体性价比极高，被公认为\"学生必备文具\"。","source_count":3}},{"source":"objective","score":95.05439393939393,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.8,"price":3.5,"wom_score":92.89999999999999}},{"source":"user_review","score":96,"weight":0.3,"confidence":1,"details":{"rating_avg":4.8,"review_count":125000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@文具测评师老张：得力这款量角器是入门级天花板，3块钱买不了吃亏。","@宝妈爱分享：孩子数学课老师指定款，透明不遮挡视线，画角很准。"]}}]
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