还有就是需要将传统方式上电脑安全和研究与工业控制系统的安全联系起来。

Then there's the need to bridge the gap between traditional computer security and research into industrial-control-system security.

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plc及其有关的外围设备都应该按易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。

PLC and the related auxiliary equipment should according to form a whole easy with the industrial control system, easy to expand its function the principle to design.

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可编程序控制器及其有关设备，都应按易于与工业控制系统形成一个整体，易于扩充其功能的原则设计。

Programmable controller and related equipment, should press easily and industrial control system as a whole, easy to expand its function design principles.

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