Unverified75% confidenceDecision RuleTime unknown
骨形（Skyline）二维扩散板可同时扩散水平和垂直方向，适合天花板和面积紧张的场景；但其单一模块尺寸需≥30cm见方才有意义，过小的装饰性网格件无声学价值
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75%
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Long-term
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