Unverified80% confidenceDecision RuleTime unknown
镜框内径应比宠物两眼间距宽1-2cm，过窄会遮挡视线导致宠物撞物、过宽则无法固定滑动，购买前需测量眼距而非只看体重推荐
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Unverified眼镜内径需比犬只眼间距宽5-8mm，短头颅犬种（法斗/巴哥）因眼距宽、鼻梁短，必须选专为扁脸设计的宽框低鼻梁款，普通款会压迫眼球或滑落82% similarUnverified领结体积应小于宠物头部宽度的1/2，过大领结会遮挡视线、影响低头进食并增加宠物抗拒感79% similarUnverified蝴蝶结宽度不应超过宠物两耳间距的2/3，小型犬猫（体重＜5kg）选3-4cm宽度，中大型犬选5-7cm，过大会压迫或遮挡视线导致抗拒77% similarUnverified尺寸适配需覆盖宠物蜷缩后的整个身体投影，而非站立体长；感应区域小于宠物蜷缩面积会导致翻身出界丢数据。经验值：垫面感应区应达到宠物体长×0.7以上，小型犬猫选40×50cm，中大型犬需60×80cm以上76% similarUnverified尺寸选择应比宠物身长长20-30%，让宠物侧躺伸展时四肢不悬空；测量方式为宠物趴卧时鼻尖到尾根长度76% similar
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