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单词 sabin
释义

sabin

Definition
Non-metric unit of sound absorption, one sabin being the absorption power of one square-foot of a perfect acoustic-absorption material an open window. Named after the US scientist Wallace Sabine (1868-1919) who invented it unit in 1911 and called it 'open window unit.'
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更新时间:2025/3/9 23:30:34