Unverified90% confidenceDecision RuleTime unknown
越野跑/登山场景优先选择支持双频GNSS（L1+L5）的手表，双频定位在峡谷、密林、高楼间的轨迹误差可从单频的±10米缩小到±3米以内
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90%
Confidence
Long-term
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