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- 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 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。
- 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。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- They plotted the new position of each vessel. 他们标明每艘船的新位置。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- The damaged vessel was listing badly. 受损坏的船倾斜得很厉害。
- First the surgeon performed the section of the blood vessel. 外科医生首先切开血管。
- A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘
- They transited the goods to another vessel. 他们将货物转运到另一条船上。
- A line used in towing a vessel or vehicle. 拖绳用来拖船只或车辆的绳索
- A vessel used for boiling and evaporating liquids. 蒸发皿用来煮沸或蒸发液体的器皿
- Jump onto the liferaft(s) alongside the vessel. 4跳到船边的救生筏上。
- 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。
- Inflammation of a vessel of the body. 脉管炎身体的脉管感染
