弹簧

Due to rotation characteristics of spindle and definite parameterized structure of aerostatics lubricated bearing ,mass-spring structural method equivalent to aerostatics bearing system was introduced and system main coordinates and inherent frequency were obtained by establishing dual movement equation.

针对气体静压主轴的运动特性和气体静压润滑轴承的参数结构，提出了采用质量-弹簧结构方法来等效气体静压轴颈轴承系统，并建立了系统二自由度运动方程，最终确定了系统的主坐标系和固有频率。

In the course of analyses of this paper, a multi-particle structural analytic model is set up. The motion equations of three states of non-affixation, right affixation and left affixation are deduced.

本文按照多质点结构分析模型推导了不附加、右侧、左侧附加弹簧的运动方程，编制了相应的分析程序。

Main production: clutch booster, spring brake chamber, air brake, brake master cylinder and other products.

主要生产：离合器助力器，弹簧制动室，气制动阀，刹车总泵等系列产品。

The limitations of air cylinder actuators are mechanical spring limits and thrust requirements in excess of 75,000 Ibs.

空气缸体执行机构的局限性在于机械弹簧的局限性和要求推力不超过75，000磅。

The method based on RBF network for matching optimization of air suspension systems damping and air spring was proposed.

建立了空气悬架双质量模型，提出了基于RBF神经网络优化的系统阻尼和空气弹簧匹配的优化方法。

In order to decrease the vertical vibration of rolling stock, the air springs with variable damping oil dampers inside are developed.

为降低铁道车辆的垂向振动，开发了内置可变阻尼油压减振器空气弹簧。

The best way to find out which spring air mattress type suits your body is to try them out for yourself.

的最佳方式，找出空气弹簧床垫类型适合您的身体是尝试出来吧。

The Air Ministry wanted a range of 2,150 kilometers (1,340 miles), and so to reduce weight, Arado proposed that the E370 would take off on a wheeled tricycle trolley that would be left behind after take-off, and land on skids at the end of the flight.

尽管U2采用了主起落架，但是机翼在起飞的时候是由一种在起飞后丢弃的，叫做"弹簧脚"的外翼悬臂支架支撑的，同时翼梢还是有用于着陆的滑轮。

In order to simulate the exact boundary condition, the simple model of air spring suspension was set up.

为了准确模拟该模型的边界条件，增加了空气弹簧悬架的简化模型。

A static finite element model of an air spring was given.

摘要文中建立了空气弹簧的静态有限元模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。