查询词典 double-entry system

Using two sets of absolute proportion pressure flowing hydraulic controller system to control and drive double injection systerm and double hydraulic ejector systerm.

两套独立的比例压力流量控制油路，用来控制驱动两套注射装置和两套液压顶出系统

The main contribution of this thesis is that we propose a collaborative filtering recommendation algorithm based on double clustering. This approach first respectively clusters resources and users by the users rating on items, then makes a collaborative filtering recommendation based on the clustering result. The new algorithm can shorten on-line recommendation time. Then, we apply the classical formula of cosine correlation to double clustering algorithm, leaving out the standardization operation. In the end, we implement an educational resource recommender system according to the need of the actual project and the result is positive.

本文的主要意义在于，首先运用聚类技术对用户和资源分别进行聚类，然后利用聚类结果进行协同过滤推荐，由于聚类部分离线周期进行，大大缩短了在线的推荐时间；然后将经典的余弦相似性计算公式运用到双重聚类算法中，省去规范化处理操作，减少运算量；最后结合实际的需要，实现一个资源推荐系统。

Encryption Algorithm simple description : DES is a block cipher algorithm, his 64 for a pair of data encryption Encryption algorithm principle :The password system may divide into 2 big kinds from the principle, namely single key password system and double key password system.

加密算法的简单描述：DES是一种分组加密算法，他以64位为分组对数据加密。加密算法的原理：密码体制从原理上可分为2大类，即单钥密码体制和双钥密码体制。

Taking distributed control system used by 220t/h circulation fluid bed boiler and 25MW double extraction condensing turbine as examples,aiming at the problems exiting in distributed control system,from the aspects of improving safety,generality,flexibility,control performance,integrative management ability,being easy to use and maintenance,adopts a serial of new ways and strategies,makes it being into the new control system which other control systems can't compare with.

以220 t/h 循环流化床锅炉及25 MW双抽凝汽式机组所使用的分散控制系统为例，针对分散控制系统在应用中所存在的问题，对该控制系统在提高安全可靠性、通用灵活性、最优控制性能、综合管理能力以及方便使用与维护等方面，采取了一系列新的方法与策略，使之成为其他控制系统无法比拟的新一代控制系统。

boiler is a important power equipment,the require is to provide qualified vapour,let the amount of vapour maked by boiler suit for the load.because of this,every main parameter in the process of the product should be strict controlled.this paper is introduced same main control system in the process of boiler control、concentrate and disperse control system 、the characteristic and the develop of the MCGS compose status software.integrate with the technique of the boiler, discuss the single momentum, double momentum, three momentum boiler control system distinguishly.we think in the process of micro boiler control, three momentum control is the best choice,and has been well implemented in the water level mediation.further more,use the concentrate and disperse control and MCGS compose statue sofeware can achieve the control of the boiler,and can reach a fine effect..

锅炉是一个重要的动力设备，其要求是供给合格的蒸汽，使锅炉发气量适合负荷的需要。为此，生产过程的各个主要参数必须严格控制。本设计了研究锅炉控制过程的几个主要控制系统，以及集散控制系统和MCGS组态软件的特点和发展状况。结合锅炉的工艺情况，针对单冲量、双冲量、三冲量锅炉控制系统，对它们存在的利弊做出了比较和分析。结合生产实践，对三冲量的算法进行比较，认为在小型锅炉控制过程中，三冲量控制是最好的选择，并在水位调节中得到很好的应用。

In the present study, we have attempted to build a new "double targeting" and "double therapy" complex therapeutic system to liver cancer, that is to combine "magnetic targeting" with "biologic targeting" and combine "biologic therapy" with "radionuclide therapy".

本研究旨在建立一种新型基因导入系统，利用磁性定位和生物导向双重定位，实现目的基因的高效靶向导入，同时建立一个集基因治疗、生物治疗和内照射治疗于一体的复合治疗系统。

The system inherits the advantages of the combustion control systems of single and double cross amplitude limits, having overcome the disadvantages. It not only guarantees the system response performance of change in load, but also takes into account the economic performance of the system.

该系统继承了单交叉限幅燃烧控制系统和双交叉限幅燃烧控制系统的优点，克服了不足，在保证系统变负荷响应性能的同时，还兼顾了系统的经济性能。

The planishing mill designed adopts a framework with an initiative driving system with double dynamoelectric machine, enclosed type of machine frame, fluid-pressure system and so on. As a focal point, this paper has discussed the design calculation for the planishing mill, including: structure parameter of a rolling mill, initiative driving system, choose for dynamoelectric machines, a design for fluid-pressure system, a determination for the size of the machine frame and its intensity checking, roller design and its intensity checking, life-span of the bearings and so on.

设计的平整机主要采用了双电机主传动传动系统、闭式机架，液压压下系统等机构；本论文着重在于研究了平整机的设计计算，具体包括：轧机的结构参数设计计算、主传动力能参数设计计算及电机的选择、液压压下系统设计、机架尺寸确定及其强度校核、轧辊设计和强度校核、轴承的寿命计算等。

I also thought that the beginning of the phenomenon of the failure was due to display card driver caused the destruction, so I right-click the desktop system, the "My Computer" icon on the shortcut menu from the pop-up the implementation of "property "command, open the System Properties settings window, click the window of the" hardware "tab, and in the corresponding tab page, click" Device Manager "button, open the device list window, use the mouse to start the window "Show card" option, and then double-click the mouse "standard VGA graphics adapter" project, open the corresponding project page the driver tab, click the tab page in the "Uninstall" button to display the current card driver procedure removed, and then restart the computer system, then let the system automatically re-installed the graphics card driver.

开始阶段笔者还以为该故障现象是由于显示卡驱动程序遭到破坏引起的，于是笔者用鼠标右键单击系统桌面中的&我的电脑&图标，从弹出的快捷菜单中执行&属性&命令，打开系统的属性设置窗口，单击该窗口中的&硬件&标签，并在对应的标签页面中单击&设备管理器&按钮，打开系统的设备列表窗口，用鼠标展开该窗口中的&显示卡&选项，再用鼠标双击&标准 VGA 图形适配器&项目，打开对应项目的驱动程序标签页面，单击该标签页面中的&卸载&按钮，来将当前的显示卡驱动程序删除掉，之后将计算机系统重新启动了一下，同时让系统自动重新安装了显示卡驱动程序。

A reverse measurement system about the data collecting of 2-D object edge based on machine vision is discussed,in order to realize digital data input of the dimensions of 2-D object complex edge. This system realized calibration in large scene by virtual grid calibration method, and advanced the precision of system by using double CCD cameras. It realized data mergence by setting up referencer of regular shape. Some methods were put forward to realize graphics vectorization such as using eight-chain code difference to search for the turning points, and using change-length subjunctive beeline to distinguish linetype. The output data use the general DXF document format to connect the software of CAD. Research indicated that this system can be applied in reverse measurement to the dimensions of 2-D object complex edge.

对机器视觉二维反求测量系统进行了研究，以实现二维复杂平面边缘尺寸的数字化录入；采用虚拟网格技术实现大场景下的测量标定；利用双CCD分区域获取图象，通过设置规则参照物、数据拼接等数据处理提高测量精度；提出了利用8-链码的&链差&确定转折点，用&变长度虚拟直线&判断线型实现图形矢量化的方法；数据输出采用通用的DXF文件格式实现与CAD软件的接口；研究结果表明，该系统能够应用于二维复杂平面边缘的反求测量。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。