Unverified85% confidenceDecision RuleTime unknown
阳光面料的开孔率（openness factor）决定透视与遮光平衡：3%开孔率隐私性好但视野较暗，5-10%开孔率视野通透但隐私和防晒较弱，客厅通常选3-5%，需强防晒的西晒房选3%
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