查询词典 beaten track

Analysis result shows that the dynamic interaction between wheel and rail and the rail-pad force of the strengthened track are little bigger than those of the unstrengthened track,the safety grades of the tracks are same,the strengthened track can benefit to decrease the displacements of all components of track structure obviously,to restrain the deformation of track effectively,and to reinforce the stability of railway,especially the lateral displacement and the gauge enlargement of the strengthened rail are about 33% of original rail.

分析结果表明：强化后轨道结构的轮轨动态相互作用力及轨枕支点压力均较强化前的相应值略大，但皆属相同安全合格等级；强化轨道结构位移大幅度降低，有效抑制轨道结构变形，增强线路稳定性，尤其是钢轨横向位移和轨距动态扩大量较强化前下降十分显著，前者仅约为后者的1/3左右；强化轨道也有利于降低轨下结构振动和减轻列车提速后对轨下基础的破坏。

The vibration response of the viaduct structure by steel spring bearing, the viaduct structure by laminated rubber bearing, the track structure by Colon egg vibration damper, the track structure by steel spring damper and the ballast bed track structure are simulated through vehicle passed. The vibration parameter of the viaduct is optimized and the vibration transfer function characteristic of the ballast bed track structure and the track structure by steel spring damper are compared.

对钢弹簧支座高架桥结构、普通板式橡胶支座高架桥结构、克隆蛋减振器式轨道结构、钢弹簧浮置板减振器式轨道结构和普通碎石道床轨道结构在列车运行作用下的振动响应进行了仿真研究分析，对高架桥结构隔振参数进行了优化，比较了浮置板式和普通碎石道床轨道结构的振动传递特性。

In order to allow track maintenance personnel to determine impacts of track irregularities on traffic safety and to execute maintenance on dangerous sections, This study provides an analysis method with the application of ADAMS/Rail, modified train model suitable for track with a track gauge of 1067mm, and model track made to parameters actually taken from a section of measured irregularities of Taiwan Railway Administration.

为便於轨道养护工程人员研判轨道不整对行车安全的影响，对危险地段进行维修工程，本研究提供一套分析方法即利用套装软体ADAMS/Rail及修改适合1067公厘轨距轨道之列车模型，并以实测台铁某段轨道不整值为轨道模型，利用软体内建轮-轨互制行为进行列车动态分析，藉以了解轨道系统各部份的力学行为，尤其针对运输问题中最重要的安全性问题进行分析。

This paper,by means of the unified model of vehicle-track systems,performs a simulating calculation of the railway track and vehicle,caused by track stiffness change.On the basis of simulation calculation,this paper tries to analyze the influence of track stiffness change on axle box acceleration with wavelet and power spectrum density.

据此运用车辆-轨道垂向系统统一模型对不同轨道刚度情况下引起的车辆和轨道响应进行了仿真计算，并对计算结果进行小波分析和功率谱处理，主要分析了钢轨、轨下垫层、道床刚度的变化对客车轴箱加速度的影响，同时对用客车轴箱加速度的变化反推道床的刚度状态进行了探索。

The most common hard disk problem is there Bad Track, Bad Track hard disk is divided into physical and logical Bad Track Bad Track.

硬盘最常见的问题就是出现坏道，硬盘坏道分为物理坏道和逻辑坏道。

The author analyzed the current state of the declining performance of Chinese athletes in traditionally advantageous track and field events, and considered that the backup talents for traditionally advantageous track and field events was short of supply for the following reasons: The serious difficult-job dodging ideology of local sports management leaders and the existing competition system have restricted the opportunity for current excellent athletes to temper themselves; blind training ideology existed in the training conception for traditionally advantageous track and field events; the coaching performance of coaches for traditionally advantageous track and field events was kind of poor.

摘 要：对我国田径传统优势项目下滑的现状进行了分析，认为原因在于田径传统优势项目后备人才乏人、地方体育管理决策层避重就轻思想严重、现行的竞赛制度减少了现役优秀运动员参加大赛磨练的机会、田径传统优势项目训练存在闭门造车现象、田径传统优势项目教练员执教水平的局限等。

This research presented a new guide mechanism and belt driving theory of the abrasive band polishing for inner aperture, satisfied the driving requirement of abrasive belt leading smoothly into grinding area, realized the band grinding and band polishing of inner aperture, developed a abrasive band polishing headstock for of the ball track of ball bearing and roller bearing individually adopting a way of curvature concave oscillating and vibrating, researched the process regular and fundamental process method and parameter of abrasive band polishing of ball track. The results of experiments and tests showed that the surface roughness of ball track by abrasive band polishing can reach Ra0.02μm, and the original geometric cross section shape precision of ball track can be kept.

本项研究提出了砂带研抛内孔的新型导引机构和传带原理，满足了砂带平稳导入内孔磨削区的传动要求，实现了内孔的砂带磨削和研抛；研制了采用弧面摆动和振动方式分别用于球轴承滚道和滚柱轴承滚道研抛的砂带研抛头架；研究了轴承滚道砂带研抛的工艺规律和基本工艺方法、工艺参数；实验测试结果，轴承滚道砂带研抛的表面粗糙度达Ra0.02μm，研抛过程保持了滚道的原始几何截面形状精度。

In this paper. a novel magnetic head crab track pluck detection way is given by the analysis of etched servo graph for 4000 TPI etched surface servo. It improve the maximum seek track speed of magnetic head greatly, So that magnetic head can seek track at high speak for high track density.

光刻伺服盘是一种新的磁头伺服定位技术［1］，通过对4000TPI光刻面伺服系统的光刻伺服图形结构的分析，本文提出了一种简单可靠的磁头过道脉冲检测方式，可显著提高磁头寻道速度，保证磁头在高道密度下高速寻道。

With the development of track traffic, the deformation and destruction of track system is speeded up consequently. The major reason of track invalidation is the track vibration.

随着我国轨道交通的不断发展，列车运行速度不断提高，轨道系统振动的强度也随之增加，从而加速了轨道系统的变形和破坏。

According to the working characteristics of high-speed railway station, the principles to track using are formulated. Regarding the system of receiving and dispatching trains as a queuing system, the working process of making track plan is studied through analyzing the working process of queuing system. Moreover, the adjustment principles and measures for track plan are studied, and then the working process of making the adjustment plan on track using is set down.

根据高速铁路车站作业特点制定了到发线使用原则，并把车站接发车系统看作一个排队系统，通过分析排队系统作业过程研究了编制到发线运用计划的工作流程；进而研究了当列车运行波动时，到发线运用计划的调整原则和调整方法，制定了编制到发线调整计划的工作流程。

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我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。