构件

In tested frequency range, the damping ratio keeps constant under different vibration frequency, which is verified again that the concrete is not the ideal sticky elastic material whose dissipation characteristic is correlative with frequency.

在实验的频率范围内，不同振动频率下的阻尼比近似保持常数，再次证实混凝土并非耗能特性与频率相关的粘弹性材料；砼构件的动刚度随振动频率变化不大，表明其力学参数无明显频变特征。

With two simple mechanics models,this paper discusses the fast design method of reinforced structure under module stool deck,explains under which circumstance should t.

作者利用两个简单的力学模型，探讨了模块支墩甲板下加强结构的快速设计方法，指出了在何种情况下应对模块支墩下甲板作加强处理，同时也提出了加强结构构件的估算公式，经有限元分析验证，结果令人满意，表明该方法对解决实际工程问题有一定的参考价值。

Of bridge could be improved Truss lifting tool adopts for derrick mast hoist that had been made by our unit, readymade member will be lifted and positioned. It is of the feature of simple construction equipment and quick construction progress and a potential of popularization.

桁架部分采用自制的人字扒杆吊机作为吊具，将预制的构件吊起进行悬臂拼装就位，施工设备简单，进度快，具有一定的推广潜力。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

摘 要：涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

The turbine disk is on the aircraft engine the extremely important components, for its high precision, the hard machine-finishing, under the high speed high temperature environment works, is the key complex component, in the entire turbine processing also is a difficult point.

毕业论文字数：33067 页数：73 带图纸任务书说明书）摘要：涡轮盘是航空发动机上十分重要的零件，它的精度高、机械加工难度大，处在高速、高温的环境下工作，是关键复杂构件，在整个涡轮机加工中也是一个难点。

In order to deter-mine the suspension point of double donkey headed oil suction pump and kinematics status and law of each component, this paper established corresponding analytic equation of kinematics and kinematics analysis, and carried Out calculation on the kinematics and kinetics law of the double donkey headed oil suction pump.

为了确定双驴头抽油机悬点和各构件的运动状态及运动规律，建立了相应的运动和动力分析的解析方程，并对双驴头抽油机的运动和动力规律进行了计算，由编制的相应计算机程序，确定出抽油机在一个周期内的运动参数与动力参数的变化规律，为合理选择电动机、设计机械换向及平衡重提供了理论依据。

These buildings has encompassed all available faade systems which includes the stick built curtain wall system, the unitized curtain wall system, point-supported curtain wall system, the double-decked curtain wall system, the metal curtain wall system, the stone material curtain wall system, the terra cotta panel curtain wall system, the photovoltaic curtain wall system and the shading system, as well as the energy conservation environment protection aluminum alloy windows and doors system and towering structure and steel structure system, etc.

这些外墙涵盖了目前几乎全部的外墙系统，包括构件式幕墙系统、单元式幕墙系统、点支幕墙系统、双层幕墙系统、金属幕墙系统、石材幕墙系统、陶土板幕墙系统、光电幕墙、遮阳系统、节能环保铝合金门窗系统、高耸结构以及钢结构系统等。

Ade systems which includes the stick built curtain wall system, the unitized curtain wall system, point-supported curtain wall system, the double-decked curtain wall system, the metal curtain wall system, the stone material curtain wall system, the terra cotta panel curtain wall system, the photovoltaic curtain wall system and the shading system, as well as the energy conservation environment protection aluminum alloy windows and doors system and towering structure and steel structure system, etc.

这些外墙涵盖了目前几乎全部的外墙系统，包括构件式幕墙系统、单元式幕墙系统、点支幕墙系统、双层幕墙系统、金属幕墙系统、石材幕墙系统、陶土板幕墙系统、光电幕墙、遮阳系统、节能环保铝合金门窗系统、高耸结构以及钢结构系统等。

To drill, cut and shape steel sections; to assem ble structural members

结构钢架工将钢材钻孔、断及成型；以铆钉或栓方法将构件装配及建造钢

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。