It was called "thefacebook" ( onewordalllowercase) and it was a small, closed college network at Harvard, Yale and Stanford with members numbering in the low thousands. 那时它叫“thefacebook”(一个单词,全是小写),只是一个哈佛大学、耶鲁大学(Yale)和斯坦福大学(Stanford)的封闭式校园网站,用户不过几千人。
Secure communication is needed to transfer or access data from one intranet to another, from one intranet to a closed network, or from one closed network to another. 从一个Intranet到另一个Intranet、从一个Intranet到封闭网络或者从一个封闭网络到另一个封闭网络传输或访问数据将需要安全的通信。
One benefit of the dedicated model is that the Web services being monitored can transport sensitive data on an intranet or in a closed network within an enterprise, skipping the grid. 专用模型的优点之一在于,所监视的Web服务可以在企业中的Intranet上或封闭的网络中传输敏感数据,从而跳过网格。
Research on auto-searching least closed loops in control network 控制网最小独立闭合环自动搜索算法研究
The file could not be closed. The network reported an error of% 1. 无法关闭文件,网络报告%1出错。
It had closed down the Playstation network and its smaller qriocity media streaming service, which was also affected, but the delayed revelation drew criticism. 索尼已关闭playstation游戏网络和同样受到影响的规模较小的qriocity流媒体服务,但推迟披露使其招致批评。
In this paper the research actuality of closed loop network control system is systematically surveyed. 系统地介绍了目前闭环网络控制系统的研究现状。
At the same time, the detonation technology of big cantilever beam and non-electric closed curcuit network of detonators is discussed. 同时对大悬臂梁、导爆管非电闭合网路起爆技术进行了探讨。
Research on Markov Delay Characteristic-Based Closed Loop Network Control System 基于Markov延迟特性的闭环网络控制系统研究
From the view of closed relations of network and college students. This thesis analyses the network influences to college students and new way of idea education work. 从互联网与大学生的密切联系角度出发,分析网络对大学生的影响及思想教育工作的新途径。
The feedback control loops of NCS ( Networked Control System) are closed through network, this is the primary feature of NCS in its structure. NCS has many merits such as low installation cost, easy maintenance and agility of network design. 网络化控制系统最主要的结构特性是系统的反馈通过网络构成闭环,比传统控制系统具有安装成本低廉、易于维护、系统灵活可靠等优点;
Furthermore, a closed multi-class queuing network was used to model this server, and helped to find the bottleneck components in this server. 最后用多类封闭队列网络模型对该性能瓶颈服务器进行模拟分析,找出性能瓶颈组件。
Evaluation method of the stability in closed piping network based on sensitivity 基于敏感度的闭式水系统稳定性评价方法
Analysis of a two-node closed queueing network with vacation and non-renewal arrival 一类非更新到达的两结点休假闭网络分析
Design of Closed Loop Network Control System Based on H_ ∞ and μ-synthesis 基于H∞和μ综合的闭环网络控制系统的设计
An Optimality Algorithm for a Class of Closed Queuing Network by Using Oblivion Factor 一类闭排队网络引入遗忘因子的优化算法研究
Algorithms of Decentralized Optimization for a Class of Closed Queueing Network by Using Performance Potentials 一类闭排队网络基于性能势的优化算法
Networked Control System ( NCS) is a special distributed feedback control system wherein the control loops are closed through real-time network. 网络控制系统,简称为NCS(NetWorkedControlSystem),是一种通过实时网络而构成闭环的特殊的分布式反馈控制系统。
The forward and back propagation algorithms of the PID neural network are given and the real time simulation results of the double closed loop PID neural network control system of DC Motors prove that the system has perfect performances. 本文给出了PID神经网络网络的前向和反传算法,给出了实时仿真结果,证明该控制系统具有较好的控制性能。
According to its special structure, some useful ideas, such as cutting the whole into sections, the closed net initiating network, and overall protection are adopted. 针对回字型钢筋混凝土整体框架结构的复杂特点,采用了切割分块、网路式封闭起爆网路、整体防护等有效技术手段。
The FPGA is used to implement real-time digital closed loop linear revise network, and use System View to simulate system, then design software with VHDL language. 采用FPGA实现了线性调频连续波信号源的实时数字式闭环线性校正网络,利用SYSTEMVIEW完成了系统的仿真,并用VHDL完成了软件的设计。
This paper deals with the performance optimization problem of a class of controlled closed queueing network systems ( CQNS). 研究一类受控闭排队网络系统的性能优化问题。
In this paper, not only the design method and characteristics of the system are introduced, but also the calculation model of closed loop distribution network and the error of the results are analyzed. Furthermore, the prospect of the system is also outlined. 文中介绍了该系统的研制过程和系统特点,对配电网合环计算模型及计算结果的误差进行了分析,并对系统的前景做了展望。
After power-flow calculation of 110 kV transmission line with open-phase fault, this paper addresses the precautions during long time operation of open-phase transmission line and main transformer, and analyzes the feasibility of load transfer of open-phase line in closed loop network. 文章通过计算110kV线路单相缺相故障时的潮流情况,阐明了缺相线路及主变压器长时间运行时的注意事项,并对缺相线路能否合环倒负荷问题进行了分析。
If the interconnection switch is closed and the network forms a loop, a sectional switch in this loop must be opened to keep the radiativity of the distribution network. 如果联络开关合上,则构成一个小环,必须在此环中打开一个分段开关,使配网保持辐射型。
The challenges to the Public Key Infrastructure ( PKI) were analyzed, and the advantages and disadvantages of the Identity Based Encryption ( IBE) and the CPK were discussed. It pointed out that the CPK was applicable to the closed and controllable network. 2. 本文的主要研究内容:1.分析了公钥基础设施PKI面临的挑战,对标识加密算法IBE和CPK的优缺点进行了论述,指出CPK适用于封闭有界的可控网络。
In order to ensure the safety of engineering data, the campus card data transmission using a closed network. 为保证工程数据的安全性,校园一卡通数据传输一般使用封闭的网络。
NCS is closed through areal-time network that are linked by sensors, actuators and controllers. 网络控制系统就是由通信网络将传感器、控制器、执行器等连接起来的闭环控制系统。
Networked Control System is a new task of control theory in the 1990s, and Networked control systems are feedback control systems here in the control loops closed through the real-time network. 网络控制系统(NCS)是20世纪90年代兴起的控制理论发展中的新课题,是通过实时的网络构成闭环的反馈控制系统,是一种完全分布式、网络化的实时控制系统。
The so-called NCS is a feedback control system wherein the control loop is closed through real-time network. It has enormous advantages such as shared resources of information, reduced system wiring, facility of system extending and maintenance, higher reliability and flexibility, and so on. 所谓网络控制系统,是指通过实时网络形成闭环的控制系统,它具有信息资源共享、布线简单、系统扩展和维护方便、可靠性和灵活性强等优点。