Unverified84% confidenceDecision RuleTime unknown
长焦比机型（大焦比）需要更远投射距离才能投出大画面，小户型/短距离摆放应选短焦或投射比≤1.2的机型，否则想投100吋可能桌子退无可退
1
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84%
Confidence
Long-term
Relevance
-
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