如果主服务器不可用，但客户机尚具有网络连接，就需要故障转换到备用服务器，而不是使用系统时间。
If the primary server is unavailable, but the client still has network connectivity, you want to fail over to a secondary server as opposed to using system time.
更准确地说，他们都假设这些学生对其中的某种语言已经有足够的基础，因此一堂系统或者网络的操作课程很少有时间来训练编码的设计或者易读性。
Rather, they assume students have sufficient grounding in one language or another, so a course in operating systems or networks seldom includes any time devoted to coding style or readability.
尽管关注的重点是页面装载时间和用户体验，但是也不要忽视核心系统指标，比如磁盘、内存和网络。
Despite the focus on page loading times and user experience, it is important not to lose sight of the core system metrics such as disk, memory, CPU, and network.
在一个允许人们在网络上使用这个系统的实验中，研究者发现用户们用可视化图片的方法来找到有用的内容只需要花费原来一般的时间。
In an experiment that allowed people to use the system over the web, the researchers found that the visual approach cut in half the time it took for users to find useful content.
在具有许多活动网络连接的服务器上，大型TCB表可以降低系统定位特定 TCB 的时间开销。
On a server with many active network connections, a large TCB table can reduce the amount of time that the system spends to locate a particular TCB.
除了提供更好的存储网络利用外，此功能也使存储系统中的浪费最小化（因为传输更好的数据到存储需要更少的时间）。
This functionality minimizes waste in the storage system in addition to providing better utilization of the storage network (because less data emitted to storage requires less time in transfer).
uuid是一个惟一的随机数，是由uuidgen实用程序使用网络地址信息和系统时间生成的。
Uuid is a unique random number that gets generated with uuidgen utility which USES network address information and system time.
应该选择能容忍客户端和DataPower系统时间不匹配和网络响应延迟的情况的值。
A value should be chosen that tolerates client and DataPower system time mismatches plus network response delays.
您的批处理文件将policy . xml文件从网络服务器上复制到本地文件系统上，在适当的时间运行RationalProduct Updater，然后在不需要使用policy . xml时，将其删除。
Your batch file will copy the policy.xml file from the network server to the local file system running Rational Product Updater at the appropriate time, and then delete the policy.xml.
通过读取这个标志，timeclient就会知道它已经不再连接到网络并选择从系统时钟计算站点时间。
By reading this flag, the time client knows that it is no longer connected to the network and chooses to calculate the site times from the system clock.
这些内容的细节不是本文探讨的范围，并且涉及到真正的网络和系统管理员问题，作为一名Web开发人员或设计师不需要花时间细究这些问题。
The details of these go well beyond the scope of this article, and get into true network and system administrator issues that, as a Web developer or designer, aren't worth taking the time to dig into.
如果您作为UNIX系统管理员已经有一段时间了，可能很熟悉用ifconfig命令启动和关闭网络接口。
If you have been a UNIX systems administrator for a while, you are probably familiar with the ifconfig command as a means of bringing up and taking down network interfaces.
从事越来越复杂的咨询和系统设计项目工作6年后，我发现自己管理别人做技术工作的时间多于我自己做设计网络工作的时间。
After 6 years of working on increasingly complex consulting and system design projects I found myself managing the people doing the technical work more than actually designing networks myself.
现在，目的地是浩瀚的网络世界，电脑行业还表示，快速启动系统就是迎合甚至一时的停机时间也使人焦躁的信息成瘾社会。
Now the destination is the vast world of the Web, and the computer industry says the fast-boot systems cater to an information-addicted society that is agitated by even a moment of downtime.
意思是单一节点要花费一个小时的时间才能接入网络系统，让收集数据这一动作费时极大。
This meant that a single node could take up to an hour to join the network, which made collecting data extremely time-consuming.
后者包括一下事物，例如植入环境的传感器的网络坐标，以及便携式的电脑设备和带有时间的地理识别系统。
The later includes such things as coordinating webs of sensors embedded in the environment as well as wearable computing and real-time geographic systems.
它同步您的PC系统时钟到了网络时间服务器。
It synchronizes your PC system clock to a network time server.
很长一段时间以来，都存在着这样一种可能性：Microsoft将转向一种不同的网络文件系统协议。
There's been the possibility of Microsoft switching to a different network filesystem protocol for quite a long time.
可顺利移植到DSP上，用于网络时间同步需要的系统。
Can smoothly migrate to DSP, the need for network time synchronization system.
在10年或更长的时间里，不会有中枢神经系统来管理这一庞大的新号网络，不会出现中枢智能。
For a decade or longer there will be no central nervous system to manage this vast signaling network. And there will be no central intelligence.
每当发现一个系统会先“挂起”8到10秒钟，然后又能正常运行一段时间，最值得怀疑的地方是DNS网络问题。
Whenever a system seems to "hang" for about eight to 10 seconds and then runs fine for a while, a DNS network problem is one of the most likely suspects.
很多计算系统用的都是网络时间协议(ntp)，以保证他们和世界原子时钟是同步的。
Many computing systems use the Network Time Protocol, or NTP, to keep themselves in sync with the world's atomic clocks.
是一个分布式系统，它周期性地监控性能，并在给定时间间隔之后动态预报各种网络和计算资源的性能。
Is a distributed system that periodically monitors and dynamically forecasts the performance various network and computational resources can deliver over a given time interval.
精确、可靠的时间在卫星、网络安全以及电力系统设备校时等领域有着广泛的应用。
Accurate, reliable time is used widely in satellite, network security and time service for power system.
我的一个系统就会花大约5秒钟的时间来初始化网络引导参数，即使在禁用了网络引导功能的情况下也是如此。
One system I own spends about five seconds initializing network boot parameters even if network booting is disabled.
在这段时间里，系统、网络和敏感数据将会变得暴露和脆弱。
During this time, systems, networks, and sensitive data are completely exposed and vulnerable.
从生存性角度来设计网络系统可使网络系统在受到攻击时，能积极地应对攻击，尽可能长时间地提供关键服务。
Designing network system from the survivability could manage the DoS attacks positively, and provide essential services as long as possible in the presence of attacks and failures.
本文提出一种人工神经网络（ANN）方法，确定暖通空调（HVAC）系统对控制信号响应的时间迟延，在研究中选用了四层网络。
This paper presents an artificial neural network(ANN) approach to determine the time delay for a heating, ventilating, and air -conditioning(HVAC)plant to respond to control actions.
时间同步技术是现代网络应用和分布式系统中的核心技术。
The Time Synchronization Technology is the core technique of modern network applications and distributed systems.
时间同步技术是现代网络应用和分布式系统中的核心技术。
The Time Synchronization Technology is the core technique of modern network applications and distributed systems.
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