等轴

The author analyses two conversion channels: market and non-market ways, puts forward five patterns: frog leaping, axial spreading, ribbon sprawling, strip subdividing and finger-shaped filling, and outlines some features listed below: high quality of...

阐述农地城市流转有市场和非市场两种途径，有蛙跳式侵占、轴式扩展、环状蔓延、条块分割与吞没和指状填充五种方式，具有优质性、地域性、同步性、不可逆性、非市场性和多重权属转移性等特性。

On equipments of system, this paper, making use of the finite element analysis function of CATIA V5, make Optimization analysis of the key components of the core equipments in the system, such as the side platen and the roller axis, and bring optimization Solutions.

在系统设备方面，本文运用CATIA V5的有限元分析功能，对系统中的核心设备——辊压机的侧压板和压辊轴等关键部件进行了优化分析，并提出优化改进方案。

Our production mainly used in building, fitment, electronic, motorbike, medical equipment, and mechanical etc.

公司产品广泛运用于建筑、装饰，电子、摩托车、汽车、医疗器械、轴、机械连杆等。

The article introduce the design of the modular machine tool for drill in the end of the crank in brief on mechanism,electrical system, fluid drive etc.

论文主要从机械、电气、液压等几个方面简要介绍曲轴轴端内孔加工组合机床的设计思路与实现。

After years of efforts, our products have proceeded from a sole category to diversified, packaging and serial categories, such as Heptafluoropropane (HFC-227ea) Fire Extinguishing System, High Press Carbon Dioxide Fire Extinguishing System ,Fluoroform (HFC-23) Fire Extinguishing System, Integrate Gas IG-541 Fire Extinguishing System, Foam Extinguishing System , Fire extinguisher , Water fire-fighting system, Special grade inorganic fire resistant roller shutters, Composite steel fire resistant roller shutters, Fire damper, Smoke fire damper, Low-noise cabinet centrifugal fire blower, Axial flow fire smoke exhaust blower, etc. All technical specifications fully satisfied the level of national standard.

经过多年的努力，公司的产品经历了由单一品种到多元化、配套化、系列化的发展过程，现有七氟丙烷（HFC-227ea）自动灭火系统、高压二氧化碳自动灭火系统、三氟甲烷(HFC-23)自动灭火系统、混合气体IG-541自动灭火系统、泡沫灭火系统、灭火器、水消防系统、特级无机复合防火卷帘、复合型钢质防火卷帘、防火阀、排烟防火阀、低噪声柜式离心消防风机、轴流式消防排烟风机等产品，所有产品各项技术指标完全达到国家标准。

Main Usage and Features:MG7340(MM7340) The MG7340(MM7340) is a high－precision surface－grinding mac- hine to process disc cutters, friction plates, saw blades, valves, piston rings,and other ring shape work pieces.This machine is able to be used in tool plants, bearing plants, valve plants, and other highly precisely grinding processing industries.

主要用途和特点：MG7340（MM7340） MG7340（MM7340）型高精度卧轴圆台平面磨床主要适用于磨削加工盘形刀具、摩擦片、锯片、阀门、活塞环等环形工件，可广泛应用于工具厂、轴承厂和阀门及一般机械制造厂进行精密零件的磨削加工。

The M7350、M7363 type horizontal spindle surface Grinder with Rotary Table Particularly for girnding of work piece in ring shape,friction wa- fer,saw plate.scaled disk.

M7350、M7363型卧轴圆台平面磨床主要适用于磨削、盘型刀具、摩擦片、锯片、分度盘活塞环等圆形工件。

The nonlinear dynamic equations including the initial geometric imperfections of laminated composite cylindrical shells were derived from Hamilton's philosophy. Assuming the transverse displacements to be composed of axially symmetrical part and axially asymmetrical part, the governing equations expressed as displacement forms of dynamic buckling were obtained by Galerkin method. The equations were solved by finite difference method. The effects of impact velocity, lamination angle, initial geometric imperfection on the axial dynamic buckling of laminated composite cylindrical shells were discussed.

由Hamilton原理导出包含初始几何缺陷的复合材料层合圆柱壳的非线性动力方程；将横向位移设为对称及非对称两部分，由Galerkin方法得到以位移形式表达的动力屈曲控制方程，通过有限差分方法求解；讨论了冲击速度、铺层角度、初始几何缺陷等各种因素对复合材料圆柱壳轴向冲击动力屈曲可能产生的影响。

New multi—objectives function (including mill stand longitudinal stiffness, distribution coefficient of loaded pressure between rolls, weight of mill stand, rolling power, rolls loaded gap profile changeability of bending force, transverse mill stand stiffness of bending force, transverse mill stand stiffness of rolling load) multi—constraints (including rolls strength, spindle strength, backup roll bearing load, minimum rollable gauge, roll surface temperature rise) rolls system parameters optimization model of four—high cold strip mill is established, and programme for mill structural illustration creation on the platform of AutoCad designs is compiled. With this as basis, rolls system parameters of Yichang thin strip corporation's 1219 cold mill are calculated using SUMT (subsequent unconstrained minimization technology).

本文建立了以板形和板凸度控制特性为目标的四辊轧机多目标函数（包括轧机纵向刚度、辊间压力分布系数、轧机重量、功率、弯辊力对轧机辊缝形状改变能力、对弯辊力的横向刚度、对轧制力的横向刚度）、多约束条件（包括轧辊强度、接轴强度、支承辊轴承负荷、最小可轧厚度、轧辊温升等）的辊系参数优化模型，以此模型为基础，利用惩罚函数法计算了益昌薄板公司1219冷轧机辊系参数，编制了AutoCAD平台下的轧机结构示意图自动图形软件。

Transverse shear strain is introduced into the strain vector to take transverse shear deformation into account. To avoid shear lock,the one point Gauss integral method is used to compute the stiffness.

复合材料旋转壳体是航空、宇航和造船等常采用的结构形式之一，这类结构常常在轴压和侧压下工作，准确预测此类结构的屈曲临界载荷和破坏模式，具有重要的工程意义[1]。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。