... portable acoustic noise shed 流动隔音棚 Acoustic noise test 噪声试验 ; 噪声喷嘴 severe acoustic noise environment 严重噪声环境 ...
2
?噪声喷嘴
... portable acoustic noise shed 流动隔音棚 Acoustic noise test 噪声试验 ; 噪声喷嘴 severe acoustic noise environment 严重噪声环境 ...
双语例句
1
Road traffic noise reducing devices. test method for determining the acoustic performance. part 3 : normalized traffic noise spectrum.
道路交通噪音减弱装置。声性能测试方法。 第3部分: 正常交通噪音范围。
2
After a white noise signal has been taken as the input of a standard sound source, a static acoustictest is conducted for a prototype silencer without air flow and at the normal temperature.
采用白噪声信号作为标准声源的输入信号,在常温无气流条件下对消声器实物模型进行了静态放声试验。
3
A wind tunnel test for a model of the automobile body shows that beneficial effects on reducing drag and suppressing aerodynamic noise by using internal acoustic excitation.