铰接

Because the structural design requires the base pretensioned and post-grouting,the embedded part of the base used bolts,anchor plate,corrugated pipe and injected pipe.

深圳会议展览中心钢结构工程采用高强度、大直径预应力锚栓，用以锚固铰支座和拉接端头梁，由于设计要求先张拉后灌浆，所以预埋材料涉及了锚栓、锚板、波纹管、注浆管等。

Some valuable conclusions were drawn and shown as following: Three models were brought forward, i.e. 6DOF rigid-connected model, 8DOF rigid-jointed model and 12DOF non-rigid connected model. The basic dynamic properties of the system, the relative motion between parafoil and payload, and some geometric parameters'effects on the system dynamics were analyzed and summarized.

分别建立六自由度刚性连接模型、八自由度刚性铰接模型和十二自由度非刚性连接模型，着重分析了系统的基本运动特性、回收物-伞体间的相对运动特性，以及主要设计参数对系统性能的影响；并将不同复杂程度的模型进行对比，分析了各种模型的特点和适用范围。

In recent years the study of domestic wood-built contact wear mostly concentrated in Traditional Chuan-Dou Structures frame the discussion of plane contact.

过去的结构分析实务中，大多将这些木接点假设为铰接，而近年来国内木构造接点的研究大多集中在穿鬬式木构架面内接点的讨论。

In this paper, the existing production vehicle braking and acceleration systems to illustrate principles and analysis, Pointed out that it occurs in the course of the problem, With related technologies as the prerequisite, The use of hinged connections, solenoid valve motion, sensor detection, ECU control methods, Made false step on the accelerator pedal to switch the system concept, Emergency brake foot wrong lane when the accelerator pedal will speed up the system to switch into the brake system of the idea, Belongs to the field of automotive active safety technology.

摘 要：本文主要对现有量产汽车制动及加速系统原理加以说明与分析，提出其在使用过程中出现的问题，再以相关技术为前提，运用铰接连接、电磁阀动作、传感器检测，ECU控制等方法，提出误踩加速踏板切换系统构想，即紧急制动误踩加速踏板时将加速系统切换成制动系统的想法，属于汽车主动安全技术的领域。

Concerning trimmer beam, this thesis illustrates their common practice, analyzes the key points and in particular introduces the design analysis and construction procedures of the simple-supported steel beam to be adopted as trimmer beam.

托梁拆柱，叙述了托梁拆柱的一般方法及分析要点，重点介绍了采用钢铰接梁作拆柱托梁的设计分析及施工方法。

The folding clasp for an interchangeable watch strap comprises at least two arms articulated together and foldable against each other, provided with a fixing device to hold the clasp in closed position.

一种用于可更换表带上的折叠扣包括至少两个铰接在一起并且可彼此相对折叠的臂，并设有一个将表带固定在闭合位置的紧固装置。

Firstly, the platform is simplified by a hollow flexible beam supported by a torsional spring at the base and attached with a mass at the tip.

首先，将平台本体简化成一个顶端集中质量，把张力腿简化成一根空心的柔性梁结构，并与基础通过一扭簧铰接。

On the beam at rear side of climbing frame,jointed with two ear-plates and hydraulic system oil cylinder,acting as guide and bearing from the jocking oil cylinder.

在爬升架的横梁上，焊上两块耳板与液压系统油缸铰接，承受油缸的顶升载荷。

Meantime, based on the migratory characteristics of main roof fall, the main roof were divided into some plate group and plate group mechanical model was established for main roof with different crannies and fault ages.

同时针对深部采场顶板岩体垮落具有局部、分段、迁移的时空特征，将长壁工作面采场顶板划分成若干个相互铰接的薄板，建立了薄板组力学模型。

In order to study basic roof's destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board.

摘要为研究急斜煤层水平分段放顶煤开采过程中基本顶破坏活动对工作面的影响，根据急斜煤层基本顶具有倾斜狭长板的特点，运用弹性薄板理论对基本顶岩层进行了拉应力分析，得出了顶板破断的判别准则，建立了基本顶初次破断后形成的&铰接结构&的力学模型。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。