| 1. | It offers us the basis of the wheel / rail impact noise prediction
建立轮轨冲击噪声激扰时域输入模型，为轮轨冲击噪声的预测提供了基础。 |
| 2. | Pind semiconductor devices - mechanical and climatic test methods - particle impact noise detection
半导体器件.机械和气候试验方法.粒子冲击噪音探测 |
| 3. | Pind semiconductor devices - mechanical and climatic test methods - part 16 : particle impact noise detection
半导体器件.机械和气候试验方法.第16部分:粒子冲击噪声探测 |
| 4. | Pind semiconductor devices - mechanical and climatic test methods - part 16 : particle impact noise dectection
半导体装置.机械和气候试验方法.第16部分:微粒碰撞噪声检测 |
| 5. | Semiconductor devices - mechanical and climatic test methods - part 16 : particle impact noise detection iec 60749 - 16 : 2003 ; german version en 60749 - 16 : 2003
半导体器件.机械和气候试验方法.第16部分:粒子碰撞噪 |
| 6. | Acoustics - measurement of sound insulation in buildings and of building elements - laboratory measurement of in room impact noise by floor covering put in this room
声学.建筑物和建筑元件隔音测量.通过屋内地板覆盖物减少屋内撞击噪音的试验室测量 |
| 7. | Acoustics . measurement of the acoustic insulation of building and building components . laboratory measurement of the reduction in transmission of impact noise due to floor covering and floating floors
声学.住宅和建筑构件隔音能力测量.地板和活动垫板撞击噪音传播衰减的实验室测量法 |
| 8. | Acoustics - measurement of sound insulation in buildings and of building elements - laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor
声学.建筑物和建筑构件的隔声测量.第8部分:重型标准地板铺设面层使传递的撞击噪音减低的实验室测量 |
| 9. | Acoustics . measurement of sound insulation in buildings and of building elements . part 8 : laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor
声学.建筑物和建筑元件的隔音测量.第8部分:通过标准厚重地板覆盖物减少撞击噪音传播的试验室测量 |
| 10. | The exhaust noise contains complex noise elements , including the exhaust noise with a base frequency measured in the number of exhausts in unit time , the resonance noise of the gas column in the pipe , the gas stream blowing noise at the exhaust manifold , the exhaust gas jetting and impact noise , the helmholtz resonance noise of the cylinder , the karman eddy noise and the turbulent noise inside the exhaust system
排气噪声包含了复杂的噪声成分：以单位时间内排气次数为基频的排气噪声、管道内气柱共振噪声、排气歧管处的气流吹气噪声、废气喷注和冲击噪声、汽缸的亥姆霍兹共振噪声、卡门涡流噪声及排气系统内部的湍流噪声等。 |
