[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

超短焦激光电视投射比通常0.25:1以下,紧贴墙面0.2-0.3米即可投出100英寸,适合无法吊装或空间进深不足3米的房间;长焦投影投射比1.2-1.5:1,需要3米以上进深

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