该文论述了进程迁移在群机系统中的研究意义、应用需求和实现设计目标，并提出和分析了其实现机制的主要关键技术。
This paper discusses the mechanism of process migration in cluster, including its significance, requirement of application and target of designment, then, introduces and analysis the key technology.
并行虚拟机，是能使一群松散连接的计算机用来作为一台并行计算资源的软件系统。
Parallel Virtual Machine (PVM) is a kind of software system combining a group of loose connected computers into one to do parallel computation.
利用计算机技术、单片机技术和通讯技术，结合地下水位预报模型，开发研制了井灌区井群无线自动控制系统。
The computer and modern telecommunication technologies are applied to develop a wireless automatic control system for multiple well for irrigation to realize reasonable utilization of ground water.
利用计算机技术、单片机技术和通讯技术，结合地下水位预报模型，开发研制了井灌区井群无线自动控制系统。
The computer and modern telecommunication technologies are applied to develop a wireless automatic control system for multiple well for irrigation to realize reasonable utilization of ground water.
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