Unverified88% confidenceDecision RuleTime unknown
多星系统（GPS+GLONASS+Galileo+北斗）机型在城市峡谷和密林中定位漂移显著小于单GPS机型，重度徒步/越野首选支持3系统以上的设备
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
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