Conficker程序被设计为了在它占据被感染的计算机后，它能被软件远程控制为一个用于分发广告邮件或其它恶意程序的广域系统服务。

The Conficker program is built so that after it takes up residence on infected computers, it can be programmed remotely by software to serve as a vast system for distributing spam or other malware.

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介绍了可编程控制器(PL C)在自动剪板机控制中的应用，对系统的硬件和软件设计作了较为详细的阐述。

This paper presents application of PLC in a plate shearing machine control, and expounds the design the hardware and software of the system in detail.

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掌握被控对象的数学模型和建模后控制系统的设计，是过程控制系统分析、设计、调试和获得较高控制品质的基础和关键。

The math model and control system design after modeling are the base and key point to process control system analyses, design, debug and obtain the higher control quality.

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