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- noise and vibration of railway 铁路噪声振动
- Noise and Vibration Level Measuring of Lin. 交通噪音、振动及车流量测定。
- Gives a con- crete on-line assembly program applied to analyzing the noise and vibration of light rail vehicles. 这种联机系统是在2033A同样功能扩展的各种系统中最经济并且相当实用的系统本文给出了具体的联机汇编程序,使用本系统于噪声振动等项目,尤其是轻轨车辆的噪声振动分析,充分显示了它的优点。
- Timar, P. L., Noise and Vibration of Electrical Machines, Elsevier, New York, 1989. 周新祥，噪声控制及应用实例，中国北京，海洋出版社，1999。
- Determination of the spreading of railway noise and vibration with the num eric method of GM( 1 ,1 ) m odel 利用GM(1,1)模型的数值解法计算铁路噪声与振动的传播
- The hard sealing gasket also can absorb the noise and vibration. 密封垫圈也可吸收噪音及振动。
- This article analyzes the source and damage of the noise and vibrating of vibra-tor.It also proposes some measures to reduce noise and vibrating. 本文深入分析了震源车的振动、噪声产生的根源及其危害性,初步探讨了一些降低噪声及振动的措施。
- Beijing ShijiJingye Noise and Vibration Control Co., Ltd. 北京世纪静业噪声振动控制技术有限公司。
- The Mr.Palomar telescope is placed on a mountain not so much to bring it nearer to the heavens as to put it where the air is purer and the noises and vibration of cities are avoided. 把帕洛马望远镜安置在山上与其说是为了更靠近天空，倒不如说是因为那里的空气比较纯净，同时也避开了城市的噪音和震动。
- The analysis and solution to noise and vibration of marine hydraulic system 船舶液压系统振动与噪声的分析与对策
- Synchronic Measuring Noise and Vibration of Submarine and a Tech for Analyzing the Noise Sources 潜艇噪声振动同时基测量与噪声源分析技术
- THE MEASUREMENT AND ANALYSISON ON STRUCTURAL NOISE AND VIBRATION OF BOX BEAM OF VIADUCT 高架桥箱梁结构振动与噪声的测试分析
- Acoustics - Measurement of Noise and Vibration of Small Air-Moving Devices, Part 1: Airborne noise Emission 声学。小型气动装置的噪声和振动测量。第1部分:空气噪声排放
- She gave me a diagram of railway network. 她给了我一张铁路网图解。
- Acoustics - Measurement of noise and vibration of small air-moving devices - Part 2: Structure-borne vibration 声学。小型空气推动设备的噪声和振动的测定。第2部分:结构振动
- Noise and vibration are the greatest factors influencing comfortableness. 噪声和振动是影响舒适性的最大因素。
- In1909 Russia possessed over41000 miles of railway. 1909年俄国有41000多英里的铁路。
- When noise and vibration must be restricted, lower clearances are necessary. 当噪音和振动，必须加以限制，降低许可是必要的。
- Analysis on the noise and vibration of the hydraulic headstock gear for the radial gate in the Zhaoshandu Hydro-junction Project 赵山渡引水枢纽弧门液压启闭机振动和噪音问题的分析
- The uniformity of propeller wake has close relationship to noise and vibration problems at ship stern. 艉迹流的均匀性与船艉振动与噪音问题有直接相关性。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
