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speed changing
相关语句
  变速
     Also introduced in the paper are ECU (electronic control unit) and electronically controlled automatic speed changing system.
     简单介绍了电子控制单元(ECU)和电子控制自动变速系统。
短句来源
     Design principle of speed changing module of universal machine tools
     通用机床变速模块的设计原理
短句来源
     Study of time-frequency order tracking of vibration signals in engine speed changing stage
     发动机变速阶段振动信号时频分析阶比跟踪研究
短句来源
     Principle Analysis on Electronic Controlling Speed Changing System and Its Application
     电控自动变速系统原理分析及应用
短句来源
     In order to solve the problem of low efficiency of well pump installations, based on analyzing main causes of low efficiency of well pumps, the technical reforming methods such as stage changing, cutting,deformation and speed changing for well pumps etc. and the test results after the reforms mentioned above, are described.
     为了解决井泵装置效率低的问题,在分析井泵效率低的主要原因的基础上,介绍了井泵变级、车削、变形、变速等技术改造方法和改造后的测试结果。
短句来源
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  速度变化
     Inverter supplies different frequency to change the rotation speed of motor, with low noise and smooth speed changing.
     变频器采用变频率的方法进行电机速度调整,可以对卷绕设备进行无级调速,具有噪音低、速度变化平滑等优点。
短句来源
     On the base of analysis of stress strain field,temperature field and temperature speed changing patterns during Aluminium profile extrusion,a foundational concept of establishing mathematical models during the extrusion was proposed.
     在分析了铝型材挤压时的应力 -应变场、温度场和温度 -速度变化规律的基础上 ,提出了建立挤压工艺过程数学模型的基本设想
短句来源
     Draw following conclusions through analyzing: The speed changing value that sportsman's form supports stage is generally greater than one pair of stages of supporting, The two have more obvious differences;
     通过分析得出以下结论:运动员单支撑阶段的速度变化值普遍大于双支撑阶段,二者有比较明显的差异;
短句来源
     This paper proposes a new coordinate control algorithm of urban main road to solve some problems of traditional algorithm, such as the randomicity of the arriving vehicles, the speed changing of the vehicles on main road, the discrete phenomena of the traffic flow and the arriving vehicles on the secondary road.
     本论文为改善传统主干线协调控制算法中车辆到达的不均匀性、路段速度变化、交通流离散、支线车辆排队数量等不确定因素的影响,使主干线上的车队尽量不停车地通过主干线,对传统主干线协调控制算法进行了深入的研究和改进,提出了一种新的主干线协调控制算法。
短句来源
     The speed curve of hip joint of the excellent athletes has two wave crests in speed changing of very joint angle of sway leg, the trend of joint speed changing about hip and knee is “ordinary-faster-fast”, the biggest speed of ankle appear before touching target and not when touching;
     从摆动腿关节点速度-时间变化情况来看,优秀运动员髋关节点速度曲线共有两次波峰,髋、膝关节点速度变化规律为“小-大-中”,踝关节点最大速度出现在踢中目标之前,而不是击中目标的瞬间;
短句来源
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  换速
     Research for Speed Changing Character of Power System Based on Flux Valve Control
     基于流量调节阀控制的动力系统换速特性研究
短句来源
     Research for Speed Changing Character of Turbine System Based on Pressure Valve
     基于压强调节的涡轮发动机系统换速特性研究
短句来源
     A simulation model of speed changing controlled by flux valve was built,and the system dynamic process was simulated.
     基于流量调节阀控制的动力系统换速问题是决定某水下(如鱼雷) 热动力系统安全性的最重要的问题。
短句来源
     The reason of speed changing explosion accident was analyzed.
     根据系统特性探讨分析了换速爆炸事故发生的机理。
短句来源
  “speed changing”译为未确定词的双语例句
     With rocating speed changing the flow pattern transformation basic is consistent,around z=20 mm is considered as the transition and the transition at z=0 mm is latter than that at z=-10 mm.
     随转速的变化,流型的转变基本一致,在z=20 mm附近; 同时随着转速的增大,z=-10 mm流型的转变要先于z=0 mm时流型的转变。
短句来源
     Application of Speed Changing of Frequency Converter and Energy Saving Analysis
     关于变频调速的应用与节能分析
短句来源
     Analysis and countermeasures of the abnormal sound of the speed changing box for DF_7 series locomotives
     DF_7系列机车变速箱异音的分析与治理
短句来源
     The application and energy saving of speed changing technology in the thermo electrical plant
     调速技术在火(热)电厂的应用与节能
短句来源
     The Competitive Speed Changing Feature of the World Top-notch Men's 100 Meter Sprinter
     世界优秀男子100m跑运动员比赛速度变化特征的研究
短句来源
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  speed changing
The connection between the present memory approach and the analytical model SC + D ("speed changing" and "dephasing" collisions) based on the hard collision approximation is displayed.
      
The obtained results demonstrate a high degree of robustness against pose and speed changing.
      
Sometimes a spindle speed changing mechanism is provided to increase the rotating speed of the workpiece as the tool moves to the center of the part.
      
Speed changing system, use of simple gear boxes, feed for drilling.
      


The double composite gear in the speed-changing and feed gearboxes of machine tool has been designed by trial-and-error method, and there was not a criterion to decide whether the quality of design was the best. In consequence, it was difficult to get an ideal plan quickly. In this paper a concept about the equivalent center distance of gear trasmission was prop- osed. By means of this concept a number of design criterions were analysed and compared, and it was proposed to use the sum of the equivalent...

The double composite gear in the speed-changing and feed gearboxes of machine tool has been designed by trial-and-error method, and there was not a criterion to decide whether the quality of design was the best. In consequence, it was difficult to get an ideal plan quickly. In this paper a concept about the equivalent center distance of gear trasmission was prop- osed. By means of this concept a number of design criterions were analysed and compared, and it was proposed to use the sum of the equivalent areas of gears as the object function to be optimized. A mathematical model was established for optimum design of double composite gear. By the calculation with a computer some graphs were given. By means of these graphs it was convenient to get an optimum version of the double composite gear according to different requirements (i. e, restrained condition).

机床变速箱和进给箱中所用的双公用齿轮机构一直采用试算法进行设计,并且没有一个合理判断设计优劣的定量指标,因此较难迅速地获得比较理想的方案。本文提出齿轮传动的当量中心距的概念,并用这个概念分析比较了多种设计指标。在这基础上提出以各齿轮当量面积总和最小作为最优化的目标函数,建立了双公用齿轮优化设计的数学模型。通过电算绘成线图。应用这些线图,可以方便地根据不同要求(即约束条件)求得双公用齿轮传动的最优方案。

The paper discusses the necessity of making rationally arrangement of main driving structure on a heavy lathe on purpose to improve accuracy, rigidity and performance of machi -ne. It also relates how to determine the range of magnet, voltage regulating for DC drive and the mechnical speed changing, and introduces the method and steps of desingn so as to obtain better driving structure through the analysis of a practical example.

论述了合理安排重型车床主拖动结构,对提高机床精度、刚性和改善机床使用性能的必要性。叙述了如何确定直流拖动调磁、调压和机械调速的范围,并通过实例分析,介绍了获得较佳拖动结构方案的设计方法和步骤。

Based on the calculation method for double composite gear transmission of machine tool speed--changing gear box and feed box, a simplified design calculation method for multiple composite gear transmission is presented and discussed here.

本文在机床齿轮变速箱和进给箱双公用齿轮传动计算方法基础上,讨论并提出了三公用以上的多公用齿轮的简便设计计算方法。

 
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