Unverified75% confidenceTradeoffTime unknown
手机APP拍照量脚（如通过AR/激光）精度约±3-5mm，实测硬质量脚器精度约±1mm，对宽脚或高脚背人群APP测量误差更大，跨境买鞋建议用物理量脚器
1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified家用型足弓评估工具（如3D足型扫描APP+压力毯）便携性强但精度受站立姿势影响大，重复测量误差可达10-15%；专业足底压力测试台采样点密度更高但价格高且需机构使用68% similarUnverified主流手机款八爪鱼总长约25-30cm，关节数约每腿10-12节，标准相机接口为1/4英寸螺纹，与绝大多数三脚架快装板通用67% similarUnverified作为手机自拍杆/直播支架用途，不要只看承重，要确认最大展开高度——多数迷你三脚架展开仅20-30cm，无法满足站立视角自拍64% similarUnverified自拍杆一体式三脚架（如手机蓝牙自拍杆带三脚架）展开脚径通常＜13cm，重心极高，不建议用于承载相机或大屏平板，仅适合手机静态摆拍64% similarUnverified选尺码必须测量脚掌最宽处宽度而非仅长度，宠物脚掌呈圆形，多数脱落和拒穿源于宽度不匹配；量脚应让宠物站立承重状态下测量，趴着测会偏小64% similar
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