如果服务器部署在计算机集群中，那么最前端的节点是惟一的关键机器；其他机器可以随意启动和停止，崩溃了也不要紧。
If your servers are pooled in a compute cluster, the head node is the only crucial machine; the rest can start and stop and crash freely.
早期时，启动一台计算机意味着要给计算机喂一条包含引导程序的纸带，或者手工使用前端面板地址/数据/控制开关来加载引导程序。
In the early days, bootstrapping a computer meant feeding a paper tape containing a boot program or manually loading a boot program using the front panel address/data/control switches.
前端由客户机计算机（或企业的计算机网络）和用来访问云的应用程序组成。
The front end is composed of a client computer, or the computer network of an enterprise, and the applications used to access the cloud.
前端设备：一种把一些通信线路与计算机系统联接起来的传输控制单元。
Front-end device: a transmission control unit that links a number of communication lines to a computer system.
基于计算机控制的楞纸板自动生产系统，以主控计算机为自动控制核心，通过前端控制卡，实现了对变频器进行调节，和对电动机调速。
The automatic production system is computerized by the central computer and frequency modulation and motor speed change are made by front-end control CARDS.
国外贷款中的前端费和承诺费计算很复杂，手算十分困难，在国外均采用电子计算机计算。
It is very complicated and difficult to estimate initial and promise costs in foreign loans. Usually, this is done by computer abroad.
该测试系统主要分为两部分：前端的远程终端模拟器，运行在客户端的计算机上，实现测试系统的压力产生和测试数据统计功能；
The testing system of this article is composed by two parts: a remote terminal emulator in the front end, running on the client computer, manages the load generator and results' analysis;
检测计算机通过工业以太网分别与前端车和后端车的显示终端、控制计算机相连接；
The train detection system is very complicated. The dissertation mainly analyzes one subsystem, which is detection computer subsystem.
检测计算机通过工业以太网分别与前端车和后端车的显示终端、控制计算机相连接；
The train detection system is very complicated. The dissertation mainly analyzes one subsystem, which is detection computer subsystem.
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