[KongchangAI]
Unverified90% confidenceTradeoffTime unknown

槽深决定有效扩散频率下限,常见10cm槽深约对应800Hz起扩散,需要覆盖更低频率须选更深槽版本,但深槽意味着板体更厚更重,安装难度和墙面承重要求显著增加

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