| 1. | Electrical water heaters ; rated capacity up to 1000 litres ; requirements for low - noice level design
电热水器.额定容量为1000升以内.低噪声水平设计的要 |
| 2. | Noise level generated by gasoline engine is the key factor that affects the noise level of a vehicle
摘要车用发动机噪声水平是决定整车噪声水平的关键因素。 |
| 3. | The result of experiment is excellent , the signal - noise rate is high and the system is effective
实验结果良好，电路噪声水平与动态范围满足要求，系统可行。 |
| 4. | A study on the minimal intensity gain of double auditory signals at different levels of cockpit noise
不同飞机座舱噪声水平条件下双重听觉信号强度增量的研究 |
| 5. | For a conventional helicopter , the tail rotor is one of primary sources for helicopter noise
尾桨是直升机的主要噪声源,降低尾桨噪声对控制直升机的噪声水平具有重要意义。 |
| 6. | Wholly reducing bus interior noise level needs to consider multi - paths by which several noise sources radiate sound into the bus
摘要整体降低客车车内噪声水平的需求日益迫切。 |
| 7. | The interior noise of the car is calculated under the certain power , and the main path of the energy flow is obtained
预测了给定激励条件下轿车室内的噪声水平，并给出主要的能量传递路径。 |
| 8. | Based on this characteristic , whether a reference field is used or not has no effects on the ls solution is explained
在此基础上，根据不同的噪声水平，模拟了4种不同精度的沿轨扰动位观测值。 |
| 9. | It is necessary to predict the noise of ship cabin in the stage of the project and to make the noise level in ship cabin satisfy both the requirement of the contract specifications and criteria
因此在船舶设计阶段进行船舶舱室噪声预示和控制，使其噪声水平满足任务书和相应标准的要求是必须的。 |
| 10. | Ameliorating the vehicle interior acoustics circumstance and debasing the vehicle interior noise level are the question that governments and manufacturers faced to together . the research on the vehicle interior noise has been recognized
改善车辆内部声学环境，降低车内噪声水平，是各国政府和车辆生产厂家共同关注的问题，汽车车内噪声的研究已受到普遍重视。 |
