Noise reduction efficiencies of straight-type and incline-type absorbing sound barriers along railway were measured and comparatively analyzed.
通过对铁路直立型与内倾型吸声声屏障的实际降噪效果测试与对比分析,得出声屏障对800~3500 Hz频带范围内的铁路噪声插入损失最为明显,约为12~20 dB(A);内倾型声屏障的降噪量比直立型声屏障高4~6 dB(A)。
Research on Sound Absorption and Design of Noise Barrier of Recycled Tire Composite Type;
废旧轮胎复合吸声屏障的研发及吸声特性的研究
Noise Reduction for Sound Barrier in Railway Passenger Dedicated Lines
铁路客运专线吸声式声屏障降噪研究
Analysis of Noise Reduction Efficiencies of Straight-type and Incline-type Absorbing Sound Barriers Along Railway
铁路直立型与内倾型吸声声屏障降噪效果分析
Discussion on Feasibility of Nonwoven Sound-absorbing Materials Used for Road Noise-deafening Barrier
道路声屏障用非织造布吸声材料的可行性研究
A sound-absorbent screen used on a movie set, used to prevent echo.
吸音幕电影机边用来吸收声音的屏幕，用来防止回声
Study on Sound Absorption and Structural Style to the Noise Reduction of Noise Barrier;
声屏障的吸声作用及结构形式对降噪量影响的研究
He remained, therefore, mute and motionless, hardly venturing to breathe.
所以他仍然一声不响，一动不动地呆着，甚至屏住了呼吸。
Both held their breath and listened. There was a sound like the faintest, far-off shout.
两人屏住呼吸静心听着，远处传来一阵模糊不清的喊叫声。
At present the equation of insert loss hasn't indicated the effect of absorption, only refers to the effect of sound insulation.
目前对声屏障的插入损失计算所用的公式，没有体现材料吸声对绕射声衰减的作用。
He caught his breath in surprise.
他惊奇得屏住了呼吸.
She paled and caught her breath.
她脸色苍白,屏住呼吸。
sound - absorbing material and sound - absorbingconstruction
吸声材料和吸声结构
barrier correction
屏障的隔声修正数值
correction for the effect of barrier
屏障的隔声修正系数
the screen fell with a disclosing crash.
屏风砰的一声倒下了。
a breathless hush in the concert hall
音乐厅内屏息无声.
If equipped, install sound bar.
如果配备，安装声音屏障。
"They left her straining her ears, with bated breath, as she waited there in silence."
刘姥姥屏声侧耳默候