[KongchangAI]
Unverified85% confidenceSolutionTime unknown

搭建家庭观影场景的标准路径:确定房间遮光条件→定投影尺寸→反推所需CVIA亮度和投距比→选屏幕(白墙/幕布/抗光屏)→匹配片源和音响

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