[KongchangAI]
Unverified85% confidenceCautionTime unknown

在开阔露天环境下手机/车机GPS信号本身良好时不应加装信号放大器,重发器只在真实卫星信号被遮挡的封闭空间才有意义,露天使用只会引入噪声降低精度

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85%
Confidence
Long-term
Relevance
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get_claim(id=121564)