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Users simply replace existing lock cylinders with electronic cylinders; no hardwiring or structural change is required.

用户可以轻松、便捷地将传统的锁内芯替换为电子锁内芯，不需要拆换任何其他组件。

Around the topic, the weak points of the traditional platform is analyzed first, such as complex arithmetic, long calculating time, high needs of hardware and so on. A real time control method based on virtual simulation is suggested to separate the complex positive/negative calculation of space kinematic and real time motion control. And a"3-2-1"type 6DOF platform is designed with the reference of the MAST (Multi-Axis Shaking Table) of MTS. The kinematic and dynamic calculation of the platform is finished. According to the calculating result, the control system of the"3-2-1"type 6DOF platform including 6 linear servo electric cylinders is designed and constructed. And the professional software Pro/E is used to do the 3D model and 6DOF motion simulation of the platform. The motion curves of the pistons of the 6 cylinders are exported with the simulation. At last the control software is programmed with Microsoft Visual Basic 6.0 and realizes the functions with the commands of GE series motion controllers. When loading the motion curves exported with the simulation, every cylinder can follow the curve very well and the platform realizes the hoped 6DOF motion.

围绕选题，本论文首先分析了传统的运动平台控制方法所存在的算法复杂、解算耗时长、硬件需求高的缺点，提出了一种基于虚拟仿真的实时控制方法，该方法将复杂的空间运动学正、反解与实时运动控制相分离；之后，参考MTS公司的MAST多轴振动平台，设计了新型的"3-2-1"型六自由度平台，并进行了运动学及动力学计算，根据相关计算结果，设计与搭建了包括驱动6个直线伺服电动缸在内的"3-2-1"型六自由度平台控制系统；接着，使用Pro/E对"3-2-1"型六自由度平台进行了三维建模和六自由度运动学仿真，并由仿真直接获得了6个直线伺服电动缸的活塞杆的相应运动曲线；最后使用Microsoft Visual Basic 6.0编写了控制软件界面，通过调用GE系列运动控制卡的各种命令函数实现了控制系统的相关功能，而当加载仿真得到的各缸运动曲线后，每缸均能很好地跟踪输入曲线，使平台实现了期望的多自由度运动。

During the process of experimental teaching, it has been discovered that among cylinders and cones, students can better judge cones than tetra-angular pyramids; cones are more complicated than cylinders in the combination of surface control; and it is difficult for students to reasonably handle the parallel, ratio, and angle of perspective drawing.

五、在进行实验教学的历程中发现在柱体与锥体中学生的触觉判断以圆锥体最佳、四角锥最差；面与面的组合操作以锥体较难、柱体较易；透视图的平行、比例及角度的合理处理对学生是不容易的。

One or more plane sections (8,9) and part cylinders (10,11) connecting to the plane sections (8,9) are formed at the outside (7) of the capillary using for fixing the fiber, all the part cylinders (10,11) are formed with a single center axis and the same radius, meanwhile a patchhole (3) of the inserting fixed fiber (2) is formed in the deflected position of the center axis and in the vertical direction of the first plane section (8) which is used as the standard.

在光纤固定用玻璃毛细管(1)的外面(7)形成有一个或多个平面部(8、9)和与该平面部(8、9)连接的一个或多个局部圆筒面(10、11)，该所有的局部圆筒面(10、11)都是以单一的中心轴和相同半径形成的，同时在与作为基准的第一平面部(8)垂直的方向上从中心轴偏离的位置上形成有插入固定光纤(2)的插入孔(3)。

Then the thesis comes down to designing drawings of the loops in Pneumatic Transmission system ,and the size of Cylinders and device relationally are calculated in this thesis, with that devices of Cylinders control system are chosen.

论文涉及到各个气压传动回路图的设计，各个气缸及辅助元件的相关尺寸的计算，接着是控制回路中的各种气压元件的选择。

Two cylinders drive the tipping unit, loading the bars; one asynchronous motor drives chain motion mechanism, implementing the feed and back off movement of bars; bar lifting movement in the process of chamfering and blanking movement after machining are carried out by another two cylinders; one asynchronous motor rotates the bar and one cylinder swings the wheel head when grinding; the feeding of the wheel head is accomp...

它通过控制两套汽缸驱动翻爪完成上料，一台异步电动机驱动链条式多轮运动机构完成磨削前的进料和磨削后的退料，两套汽缸完成磨削倒角加工时的预料和加工完成后的落料，一台异步电机在磨削加工时驱动棒料旋转，一个汽缸驱动磨头在加工时摆动，一台步进电机驱动磨头实现磨削进给，两套汽缸驱动翻爪完成下料，而磨头是用一台异步电机驱动砂轮旋转的机构，并给出了控制系统原理图及程序流程图，解决了控制器输入点数相对不足的技术问题。

Equipped with high precision equipments, we produce series of screen cylinders and bar screen cylinders.

配备有高精度设备，生产多种系列筛鼓及棒筛鼓。

It features double usage; a small end for small cylinders and a large end for the larger cylinders.

它展示双重用途；一个小底大底和小瓶装的大瓶。

Article 12 The design documents of boilers, gas cylinders in pressure vessels (hereinafter referred to as gas cylinders), oxygen chambers and passenger cableways, and large entertainment facilities may be used in the manufacturing only after being appraised by the inspection and testing institutions approved by the department of safety supervision under the State Council.

第十二条锅炉、压力容器中的气瓶、氧舱和客运索道、大型游乐设施的设计文件，应当经国务院特种设备安全监督管理部门核准的检验检测机构鉴定，方可用于制造。

Pollution of oxygen cylinders with moistures is hazardous as it causes corrosion which in turn may cause cylinders to burst when pressurized.

氧气瓶受到潮气的污染是危险的，因为它可能使气瓶文化腐蚀，以后当气瓶承压时可能发生破裂。

I'm going tor her!

我这就去救她！

As rise are design to help keep a several toney , a brain chemical at continues lever.

SSRI被设计来帮助保持血液中的复合胺即在大脑中一个连续水平的化学物质。