| 1. | Among them , the aerodynamic noise constitutes one of the major noise sources
其中空气动力噪声为主要噪声源。 |
| 2. | Industrial - process control valves - part 8 - 3 : noise considerations ; control valve aerodynamic noise prediction method
工业过程控制阀.第8 - 3部分:噪声的考虑.控制阀的气动噪声预测法 |
| 3. | Industrial - process control valves - part 8 - 3 : noise considerations - control valves aerodynamic noise prediction method
工业过程调节阀.第8部分:噪声考虑因素.第3节:调节阀气动噪声预测法 |
| 4. | Industrial - process control valves - part 8 - 3 : noise considerations - control valves aerodynamic noise prediction method
工业过程控制阀第8 - 3部分：噪声的考虑空气动力流流经控制阀产生的躁声预测方法 |
| 5. | Aerodynamic noises radiated directly to the atmosphere include the air inlet noise , the exhaust noise and the cooling fan noise
直接向大气辐射的空气动力噪声包括：进气噪声、排气噪声、冷却风扇噪声。 |
| 6. | Industrial - process control valves - noise considerations - control valve aerodynamic noise prediction method - control valve aerodynamic noise prediction method
工业流程控制阀.噪声.控制阀气动噪声预测法 |
| 7. | Industrial - process control valves - part 8 - 3 : noise considerations ; control valve aerodynamic noise prediction method iec 60534 - 8 - 3 : 2000 ; german version en 60534 - 8 - 3 : 2000
工业过程控制阀.第8 - 3部分:噪声.控制阀气动噪声预测 |
| 8. | As one source of environmental pollution , diesel noise comprises multiple sound sources , which are mainly the aerodynamic noise and the surface radiation noise
柴油机组噪声是一种环境污染源。它由多种声源构成的，主要为空气动力噪声和表面辐射噪声。 |
| 9. | The major noise resources of high - speed railway vehicles ( v 200km / h ) are wheel - rail rolling noise , structure noise , aerodynamic noise and collector system noise
高速铁道车辆(时速200km h )的噪声源主要是：轮轨噪声、构造物噪声、集电系噪声和空气动力性噪声。 |
| 10. | The aerodynamic noise is a product of the unstable gaseous process . in one word , it comes from the disturbance of gases and the interaction between gas and objects
1空气动力噪声空气动力噪声是由于气体的非稳定过程，即由气体的扰动以及气体与物体的相互作用而产生的。 |
