mechanical device used to copy a figure or plan on a different scale
双语例句
1. Refers to front to back movement of the pantograph on the machine.
指在机器的缩放仪上做前后运动。
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2. The stability of a special kind of pantograph equation was studied.
研究一类特殊比例方程的稳定性。
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3. The differential equations of motion of the pantograph have been derived.
并推导了受电弓的运动微分方程。
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4. The result is of practical significance in design of pantograph tilting mechanism.
为受电弓倾摆机构的设计开发提供了依据。
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5. Thread Cut parameter that sets the amount of pantograph movement after a thread trim.
切线参数，设定了线切断后缩放仪移动的总路程。
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6. Through the moving contact, electric locomotive can obtain power energy from the pantograph.
列车运行时，受电弓通过与接触网滑动接触而取得电能传送给电力机车。
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7. Pantograph and over-head contact line must maintain good contact and reliable by the current.
高速铁路要求受电弓与接触线必须保持良好的接触和可靠的受流。
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8. The pumping unit on our carriages are self contained and there are no hoses over the pantograph.
锯座上的抽取装置为整装式，受电弓上没有软管。
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9. The starting point of the design - the position of the pantograph when the start button is first pressed.
图案的起始点——即第一次按下缩放仪的开始按钮时的位置。
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10. The whole system of railways consists of the interactive systems of track, train, pantograph and catenary.
机车与轨道、受电弓与接触网之间相互作用、相互影响，共同构成铁路大系统。
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11. The species and preparation methods of carbonic system pantograph strip materials are explained in detail.
重点阐述了炭系受电弓滑板材料的种类和制备方法。
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12. The finite element model of the free vibration for the rigid suspension catenary and pantograph is set up.
建立刚性悬挂接触网的自由振动有限元模型，计算其固有频率和振型。
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13. A nonlinear finite element method was applied in the research of the collector head spring system of pantograph.
将非线性有限元理论应用于机车受电弓弓头弹簧系统的研究。
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14. The current collection with a pantograph from an overhead catenary is a key technique for the high speed electrical railway.
弓-网动态受流是高速电气化铁路的关键技术问题之一。
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15. From the viewpoint of electric contact, copper base alloys have been applied to contact wires and also to pantograph sliders.
从电接触的角度来看，铜基合金被用于接触导线和受电弓滑板的制造。
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16. And common pantograph slider prepared by powder metallurgy technology usually causes serious abrasion of the conducting wire.
而传统的粉末冶金受电弓滑板对导线的磨耗严重。
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17. A brief introduction to the pantograph and catenary structures of high speed railways in France, Germany and Japan is presented.
简要介绍了法国、德国及日本高速铁路受电弓和接触网结构。
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18. The normal operation of OCS is achieved and the power collection of pantograph and OCS is fully improved after its reconstruction.
改造后的接触网运行状态良好，弓网受流质量得到了全面的改善。
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19. The study of this thesis is on the pantograph slider of locomotive, which is a typical example of the sliding electric contact theory.
本论文中所研究的电力机车受电弓滑板的工作是滑动电接触的典型例子。
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20. The catenary's shape influenced by gravity is curve, and the pantograph-catenary contact force changes regularly with pattern during one span.
在重力作用下的接触网是悬链形，弓网接触力在一个跨距内呈现规律的起伏变化。
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21. The first in glass and aluminum frames, the second by the pantograph wood frames that make full-time ventilation possible and privacy when needed.
第一层是玻璃和铝框架，第二层是木框架，保证随时的通风和必要的隐私。
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22. The rigid multibody dynamic model of the tilting train, the nonlinear dynamic model of the pantograph and the FEM model of the catenary are set up.
建立摆式列车多刚体系统动力学模型、受电弓非线性动力学模型和接触网有限元动力学模型。
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23. Combining a parallel mechanism and a pantograph, it establishes a 3-dof hybrid robotic manipulator, which increases high stiffness as well as workspace.
提出一种由3自由度平动并联机构和放大机构组成的新型并串联复合机器人。
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24. Thereby we analyse the effect of the main pantograph structure parameters upon the contacting state and propose measures of improving current collection.
最后给出了受电弓主要结构参数对接触受流的影响情况，以及提高接触受流质量的建议。
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25. Three typical dynamic models for catenary system and a model for pantograph frame are established. A simulation software for the simulation is developed.
建立了各类接触网的欧拉梁-集中质量模型及受电弓的框架模型，开发了其数值模拟软件。
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26. In this article reproduce by pantograph mainly includes the graph the enlargement, reduces with the fractionated gain and the entire screen demonstration.
本文中的缩放主要包括图形的放大、缩小和局部放大与全屏显示。
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27. Firstly, by establishing the model of regular planar butterfly pantograph, features of these structures are analyzed and the specialty of them are synthesized.
首先，建立规则蝶形平面放缩机构的运动学模型，分析其结构特点并对其结构和运动进行综合。
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28. Firstly, by establishing the model of regular planar butterfly pantograph, features of these structures are analyzed and the specialty of them are synthesized.
