Unverified50% confidenceDecision RuleTime unknown
支持多频GNSS（多卫星系统+双频L1/L5）的码表在城市高楼、林道等复杂环境定位误差可控制在2-3米内，单频码表误差常达5-10米，骑行轨迹会出现漂移和距离误差
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