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早期反射声 相关科技名词
- 吸声系数sound absorption coefficient
- 法向入射吸声系数normal incidence absorption coeffi- cient
- 随机入射吸声系数random incidence absorption coef- ficient
- 等效吸声面积equivalent absorption area
- 房间吸声量room absorption
- 降噪系数noise reduction coefficient;NRC
- 吸声降噪sound absorption reduction
- 多孔吸声材料porous absorption material
- 吸声结构sound absorption construction
- 共振吸收resonance absorption
- 亥姆霍兹共振器Helmholtz resonator
- 微穿孔吸声结构microperforated absorber
- 穿孔率perforated percentage
- 空间吸声体suspended absorber
- 有效流阻effective flow resistance
- 电子吸声器electronic absorber
- 吸声尖劈wedge absorber
- 边缘效应edge effect
- 结构因数structure factor
- 噪声控制noise control
- 噪声降低noise reduction
- 背景噪声background noise
- A计权声级A weighted sound pressure level
- 等效连续A声级equivalent continuous A sound level
- 累计统计声级cumulative statistical sound level
- 昼夜等效声级day-night equivalent sound level
- 噪度noisiness
- 有效感觉噪声级effective perceived noise level
- 语言干扰级speech interference level
- 环境噪声ambient noise
- 噪声评价曲线noise rating contour;NR contour
- 噪声评价数noise rating number
- 噪声污染级noise pollution level
- 噪声冲击noise impact
- 室内允许噪声级permitted noise level in room
- 自然衰减natural attenuation
- 消声器muffler
- 管道消声duct attenuation
- 喷注噪声jet noise
- 消声坑silence pit
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