[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

信号强度与便携性矛盾:手持烟雾/火箭信号距离最远但一次性、有火险和体积重量负担;LED频闪灯可反复用、轻便但白天几乎无效,夜间有效距离仅1-5km

1
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85%
Confidence
Long-term
Relevance
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Stable URI
https://kongchang.com/claim/150301
API
curl https://kongchang.com/api/v1/knowledge/claims/150301
MCP
get_claim(id=150301)