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Unverified90% confidenceTradeoffTime unknown

亚克力/塑料反射面容易刮花，使用一段时间后反射效率会明显下降，不如玻璃镜面或不锈钢信号镜耐用

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Unverified亚克力/塑料反射面极易刮花，长期携带或与其他装备混放后反射效率明显下降，不如玻璃镜面或不锈钢镜面耐用97% similar Unverified反射面为亚克力/塑料材质，容易刮花，长期使用后反射效率会明显下降，不适合作为长期生存装备的主力信号镜88% similar Unverified反射面为聚碳酸酯而非玻璃，长期使用后表面容易产生划痕，反射效率会逐渐下降，对要求长期保持最佳反射性能的用户不如玻璃镜面款86% similar Unverified聚合物镀层长期使用后可能出现划痕影响反射效率，不如玻璃镜面耐久，需注意存放时避免与硬物摩擦83% similar Unverified玻璃片耐刮性远优于树脂片，日常使用多年镜面仍可保持清晰，但受冲击易碎，不建议用于球类运动或有跌落风险的活动场景82% similar

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