Unverified87% confidenceDecision RuleTime unknown
投影比（throw ratio）决定所需距离，1.2:1的机型投100英寸需约2.6米，短焦(0.8:1以下)适合小房间但价格高，租房或小客厅需先量墙面距离再选投射比
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Unverified投影比（Throw Ratio）决定所需距离：投影比1.2:1时投100寸约需2.6米，短焦机型（0.8:1以下）可在1.5米内投大画面，卧室/租房小空间应选短焦或超短焦91% similarUnverified投射比（throw ratio）决定投影距离：投射比1.2的机器投100寸需约2.6米距离，小户型或帐篷内空间不足时应选投射比≤1.2的短焦机型87% similarUnverified投影尺寸与投射比、房间进深强相关：投射比1.2的机器投100寸需约2.65米距离，短焦(0.8)约1.7米，购买前必须实测墙面到摆放点距离86% similarUnverified投影距离与画面尺寸受投射比决定：投射比1.2的机器投100英寸约需2.6米，小户型（客厅进深＜3米）应选投射比≤1.2或支持超短焦86% similarUnverified投射比约1.2:1，投100寸画面大约需要2.7米左右的投距，小客厅或短墙距空间购买前需确认投射距离是否满足需求85% similar
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