Unverified83% confidenceFactTime unknown
覆盖面积每增加一层墙体（尤其承重墙）会大幅衰减信号，标称'覆盖300㎡'多为空旷环境理论值，实际砖混结构住宅应按标称面积打5折估算
1
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83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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