本文给出了匀质椭圆柱体在平面上作无滑动的微幅摆动之固有频率的两种计算方法，得到两个固有频率的计算公式。
This paper gives two kinds of calculation methods of natural frequency of a mass-even elliptic column which oscillates in miniamplitude on a plane, obtains two formulas of natural frequency.
本文提出了一种基于迭代技术的边界元法求解三维无滑动摩擦型弹性接触问题。
A boundary element method based on an iterative technique for solving the three-dimensional elastic contact problem without sliding is presented.
齿轮成对运转，无滑动地传递并改变旋转运动和转矩，一个齿轮的齿与配对齿轮的齿啮合。
Gears operate in pairs, the teeth of one engaging the teeth of a second, to transmit and modify rotary motion and torque.
用数表及无感固定电阻取代传统冲击法测量中的电流表和滑动变阻器，大大减缩短了测量装置的接线，同时使测量装置更易于操作。
Analogue meters and potentiometers can be replaced by digital meters and non-inductive resistors in the classical ballistic method, so it makes wiring and operating more easier.
介绍了用于异步电动机无速度传感器的磁场定向控制的一种自适应滑动模式观测器。
This paper presents an adaptive sliding-mode observer for speed-sensorless field-oriented control of induction motors.
本实用新型提供一种气悬浮活塞式无杆气缸，包括气缸体、动力源接头以及具有滑动通道的活塞；
The utility model provides an air-suspending piston rod-less air cylinder which includes an air cylinder body, a power source joint and a piston provided with a slide channel;
此算法通过引入有符号和无符号滑动窗口编码方法，大大减少了标量乘算法中费时的加法运算次数。
This algorithm greatly reduces times of addition operation which takes time for scalar multiplication algorithm by introducing signed and unsigned sliding window coding methods.
无用于定位的垂直面或凸轮，无建筑用滑动装置或轴承，使输送机易于维护。
There are no vertical guides or CAM ramps used for positioning, and no slides or bearings used in its construction, making the Pop-up Transfer Conveyor simple to maintain.
大卫德国默勒竞争02月13日，2010年在加拿大Whistler在关于2010年冬季的一天，在惠斯勒奥运会滑动中心2无舵雪橇男子单打。
David Moeller of Germany competes during the Luge Men's Singles on day 2 of the 2010 Winter Olympics at Whistler Sliding Centre on February 13, 2010 in Whistler, Canada.
在连续载荷下，因为磨损和压紧，该滑动面是光滑的，将导致粘结应力的进一步下降，类似于无节钢筋的情况。
Under continued loading the sliding surface is smoothed due to wear and compaction, which will result in a further decrease of the bond stress, similar to the case of plain bars.
在高负载下铝基轴承合金是最有前途的轴承减摩材料，同时指出加快新材料和新技术的研发并且实现无铅化是滑动轴承的发展趋势。
The development trend of sliding bearing materials was pointed out, which was to develop the unleaded bearing materials and speed up research and development in new materials and technologies.
本文通过引入滑动最小二乘法和有限差分法，得到水动力学无单元计算法并应用于复杂边界的河道水流运动方程。
Based on the moving least squares method and the finite difference scheme, a new element \ | free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary.
二元系系统由被动的，无固定磁定模板组成，轻质复合材料构造而成，且具有双轴移动活塞，在空气轴承中滑动。
Two component system consists of passive, magnet-free stationary platen, constructed of lightweight composite materials, and dual axes moving forcer, gliding on the air bearings.
二元系系统由被动的，无固定磁定模板组成，轻质复合材料构造而成，且具有双轴移动活塞，在空气轴承中滑动。
Two component system consists of passive, magnet-free stationary platen, constructed of lightweight composite materials, and dual axes moving forcer, gliding on the air bearings.
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