您要查找的是不是：
- To predict the rail s noise radiation, the receptance analysis model of the track system is built in this thesis. 为了预测钢轨辐射的滚动噪声,本文建立了轨道系统模型计算钢轨的导纳,在模型中,钢轨采用三维实体单元模拟,轨枕采用弹性梁单元模拟。
- Firstly, conducted the evaluation of the car"s noise performance and benchmarking, defined the object. 本文首先对车内噪声进行了评价,与同档次对标车车内振动和噪声级对比,确定了降噪目标。
- The article states that the noise of main axial compressor set in giou giangrefinery is reduced by measn of noise inoulator cover and ting hole noise silencer,and asatisfactory enviroment is obtained. 本文论述了采用隔声罩和微孔消声器降噪的方法，降低了九江炼油厂主风机组的噪音，获得了良好的环境。
- The measure result of the system noise show that the optical fiber hydrophone TDM system would not bring obvious noise under the current level of the detector"s noise. 系统噪声的测试结果表明在当前探测器噪声水平下，利用光开关实现的水听器时分复用系统不会带来明显的噪声。
- In SART（Simultaneous Algebraic Reconstruction Technique），there is no restrict to image space，so the image space’s noise will increase after the definite number of iteration. 摘要 联合代数迭代方法（SART）对重建图像空间是无约束的，其迭代到一定次数后，图像空间的噪声会不断增加。
- Then we design the multiplier circuit which is an important part for the rubidium atomic frequency standards and its noise is the main source of the whole system’s noise. 而倍频电路是原子频标的一个重要部件，其噪声是系统噪声的主要来源之一，其性能对铷原子频标的性能有很大影响。
- Ramb rs noise silencer 长波式静噪电路
- Ramb's noise silencer 长波式静噪电路
- Experiment shows that the method can protect the high frequency information like edges from reducing the image’s noise effectively so that the de-noising effect is more protruded. 实验表明，该方法在有效地滤除了图像的噪声的同时，还很好地保护了图像的边缘等高频信息，使得降噪效果更加突出。
- Keywords ventilators;noise;traveling;noise silencer; 通风机;噪声;传播;消声;
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Work Mechanism and Installation of Aperture Noise Silencer for Exhaust Gas in Boiler 锅炉排汽小孔消音器的机理及安装
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Noise Silencer for Steam Evacuation and Flow Adaptation of Its Valve in Thermal Power Plant 火电厂蒸汽放空消声器及其阀门流量适配
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Keywords axial fans;noise;noise silencers; 轴流通风机;噪声;消声器;
