Unverified80% confidenceTradeoffTime unknown
反光效果与佩戴舒适度存在权衡：硬质反光弹簧扣(自动卷绕式)反光强、佩戴快但材质偏硬贴合差；软质魔术贴款舒适可调但反光带面积通常较小
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