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The springs and shock absorbers can also be manually adjusted by moving a switch to the Comfort or Sport position The fully automatic electronics work with four different damping stageswhich suit the damping forces acting on each individual wheel to the current requirements and road conditions.

这种全自动的电子系统以四个不同的减震级别进行工作，使分别作用于各车轮上的减震力适应当前的需要和路况。

The springs and shock absorbers can also be manually adjusted by moving a switch to the Comfort or Sport position The fully automatic electronics work with four different damping stageswhich suit the damping forces acting on each individual wheel to the current requirements and road conditions.

通过将开关在舒适型和运动型位置之间转换，弹簧和减震器也能以手动方式进行调节。这种全自动的电子系统以四个不同的减震级别进行工作，使分别作用于各车轮上的减震力适应当前的需要和路况。

Optimization of thickness distribution of unconstrained damping material was studied under constant damping material volume.

该方法用一组模态振型线性组合来定义阻尼层厚度分布函数，将模态参与因子作为设计变量来优化阻尼层厚度分布。

When AVR is added to other signals, such as speed, angle, active power, et al., power systems have equal damping is a constant that does not change on any conditions of general damping.

在AVR的基础上附加转速、功角、功率，乃至于附加远方机组任意信号的复杂多变量励磁控制方式下，电力系统总阻尼保持守恒，其数值与单纯AVR控制时相等。

The analysis results indicate that the vibration fractional factor with rotating frequency has a close relationship with both rotating speed of rotor and damping of bearing under constant acceleration. When rotating acceleration is small and damping is large, the transient response is not sensitive to the variation of rotating speed; otherwise the imbalance response with constant acceleration and the response in stable state will build up obvious differences near critical rotating speed.

研究结果表明：在恒加速条件下，转子同频振动分量与转子的转速、支承阻尼等因素密切相关，当角加速度较小且阻尼较大时，其瞬态响应对转速的波动不敏感；而当角加速度较大或阻尼较小时，恒加速过程不平衡响应与稳态响应在临界转速附近将产生明显的差异。

In chapter 5, a kind of viscoelastic damping material is compounded which meets requirements of the structure and the function of high damping machine tool spindles.

第五章介绍了一种根据高阻尼机床主轴的结构和性能要求配制的高分子粘弹性阻尼材料，并对材料的阻尼特性与预载荷的关系进行了试验研究。

For this reason the authors design a governor-side PSS, its design principle is as simple as traditional PSSs and it possesses good robustness and decomposing-coupling characteristic in multi-machine system. It will not bring about negative damping to other machines while it provide damping for local machine, so the coordination of parameters and selection of installation site can be avoided.

作者设计了一种调速侧电力系统稳定器，其设计原理和传统的PSS一样简单，且具有较好的鲁棒性，同时还具有多机解耦特性，给本机带来阻尼的同时不会给其它机组带来负阻尼，避免了参数协调和安装地点的选择。

This balata lies between shake mat is phyletic and various, norms is all ready, facilitate cut into parts cut, assemble agile, can fight effectively press damping, apply to punching machine, forging press, fan, water pump, dynamo, air conditioning to wait for those who shake big Electromechanical equipment damping to use.

该橡胶隔振垫类别众多，标准完备，方便裁切，组装灵便，可有用抗压减振，适用在冲床、锻压机、风机、水泵、发电机、空调等撼动大的机械电子配置减振之用。

Large oil pressing traction machine, 650T, 350T, 200T; Mechanic traction damping machine, 100T, 55T; Damping machine, 160T--16T;and other auxiliary machines.

加工生产设备齐全：其中大型油压拉伸机650T、350T、200T等多台。

The rebounding damping technology, that the function in the same kinds of products sold in the market are not in common, means when you pull the drawer out to the bottom, it will has a process of soft closing and rebound, which can reduce the noise made by the things loaded in the drawer in efficiency. Moreover, because of the variable damping technology, which help to lessen the force of of the inertia made by the motion of the box when open or close it, and it will extend the useful life of the cabinet effectively. Therefore, it proved that the two-way slow motion cabinet have a longer useful life than the single soft-closing drawer system. And that is the reason why GRASS HOPPER is so popular in many countries all over the world.

反弹阻尼技术就是当你的橱柜抽屉拉到尽头时，有一个轻微的缓冲反弹过程，这样就减小了抽屉里面的装载物的碰撞声音，能达到更加实际意义上的静音，同时由于具备这种功能，在开合抽屉时就大大减小了由于抽屉的运动惯性对柜体产生的破坏力，这样就有效的延长了橱柜的使用寿命；所以使用双缓冲抽屉的橱柜比使用单缓冲抽屉的橱柜寿命明显延长，而市场上还没有具备这种功能的同类产品。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。