Unverified80% confidenceTradeoffTime unknown
多星系统同时启用(GPS+北斗+GLONASS+Galileo)提升复杂地形定位精度与冷启动速度,但显著增加耗电;开阔地带用单一系统即可,密林/峡谷/高楼区才需多星并接受续航下降
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