[KongchangAI]
Unverified85% confidenceSolutionTime unknown

野外导航方案:主用手机离线矢量地图(如Gaia/两步路/奥维)+备用防水纸质地形图+指北针,形成'电子+纸质+定向'三重冗余;电子设备失效或没电时纸图配指北针仍可完成三角定位求生

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