The essay presents how to use Virtual Machine software to demonstrate the setup of computer system bottom layer and the installation of operating system to students in teaching.
该文介绍了如何使用虚拟机软件，在计算机教学中为学生演示计算机系统的底层设置和操作系统地安装。
At the bottom of the VFS are the file system abstractions that define how the upper-layer functions are implemented.
在VFS下面是文件系统抽象，它定义了上层函数的实现方式。
The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.
煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。
Fieldbus is a bus topology network used in the bottom layer of controlling system.
现场总线是应用在控制最底层的一种总线型拓扑网络。
In the remote control system, OPC is no longer limited in the bottom of the industry field, it has extending to the controlling layer and management layer.
在远程监控系统中，OPC已经不再局限于工业生产的底层，它将进一步延伸到控制层和生产管理层。
CAN bus is a serial communication protocol and ADAPTS to bottom layer communication of distributed control system.
CAN总线是一种串行通讯协议，适用于分布式控制系统的底层网络通信。
From bottom to top, the system is plotted out bus driver layer, device function driver layer, communication layer and user-interface. Each layer provides service to the layer above by interface style.
由下往上将整个驱动软件系统分为总线驱动层、设备功能驱动层、通信层和用户界面等层次，每一层都以接口的形式为上层提供服务。
The roof system consists of main purlin, bottom plate, secondary purlin, absorption sound layer, insulating layer and faceplate.
屋面系统由主檩条、底板、次檩条、吸音层、保温层和面板组成。
DRIS is a hierarchical distributed Internet information retrieval system. It can provide a set of information resources integration solution from the bottom layer to application layer.
域内资源整合系统是一种分层的分布式互联网信息检索系统，其提供了从底层到应用层的一整套互联网信息资源整合利用方案。
The system is devided into two layers, a PC is used in up layer for supervising of message and control, a PLC is used in bottom layer for controlling task.
该系统为两级控制，PC机作为上位机进行信息管理和控制规划，PLC作为控制机实现控制任务。
The microwave system comprises a set of microwave assemblies arranged on the bottom surface of each partition layer.
所述微波系统包含一组设在各隔层底表面上的微波组件。
The main idea of this paper is to integrate the control system at bottom layer and management system at middle or top layer with the principles of data warehouse as the pointer.
借鉴数据仓库技术的主体思想，将底层控制类数据与高层管理类数据有机集成，是本文的主要研究方向。
In this article, we proposed and implemented a human tracking system whose bottom layer is human detectors based HOG feature and color histogram feature, and upper layer is based on particle filter.
本文提出并实现了一套完整的行人跟踪系统，整个系统的底层是由HOG特征和颜色直方图特征构成的行人检测器，上层则采用粒子滤波器算法，结合各个行人检测器的结果得到最终检测结果。
The system adopts CAN bus technology for distributed control of each module at bottom layer of the instrument, and implements automatic control according to the biological experimental procedures.
该系统利用CAN总线技术对仪器底层各个模块进行分布式控制，实现了按生物试验流程的自动控制。
The system adopts CAN bus technology for distributed control of each module at bottom layer of the instrument, and implements automatic control according to the biological experimental procedures.
该系统利用CAN总线技术对仪器底层各个模块进行分布式控制，实现了按生物试验流程的自动控制。
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