Unverified83% confidenceTradeoffTime unknown
探测角度大(如110度广角)覆盖范围广但边缘距离短，探测角度窄的幕帘型(narrow curtain)距离远适合走廊过道，客厅用广角、走廊用幕帘
1
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83%
Confidence
Long-term
Relevance
-
First Seen
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