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micro-perforated panel sound absorber
释义
micro-perforated panel sound absorber
Encyclopedia
工学
微穿孔板吸声体
释
micro-perforated panel sound absorber
微穿孔板吸声体
将穿有小孔的薄板四周密闭地安装在刚性壁面前,穿孔板与壁面之间留有一定深度的空腔而形成的吸收声能、降低声音的构件。
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Nicholson-Bailey host-parasite model
Nicholson formula
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Nichomachus (约60—约120)
Nichomedes
Nichomedes (约公元前280—210)
nickase
Nickel
nickel
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