set noise

• 本身固有噪声,机内噪声,机齐声

set noise的用法和样例：

例句

1. This paper presents the analogized methods and the active control experiments of the cabin noise for a propeller airplane.
   本文介绍螺桨飞机舱内噪声的地面模拟方法和主动控制实验。
2. Three kinds of new viscoelastic damping materials are applied in railway vehicles to reduce internal noise.
   三种新型粘弹性阻尼材料应用于铁路车辆降低车内噪声。