求翻译：目前水工业自动化控制系统越来越复杂。对一个大的水处理工程，过去的DCS系统、现场总线上各现场单元采用的PLC系统以及用于闭环控制的MC系统，它们的链接，要求高速化、紧密化，整个系统有更多的独立的分散式控制功能器组成，数量巨大的传感器、驱动机构、变速器、仪器仪表要求虚拟化、微型化、数字化、智能化和网络化。但是，过去这些工业PC、OPC和以太网技术，只要被镶嵌在传统的系统结构中去，也只能对系统作些边缘性的提高，所有PLC等控制器还是孤岛独立地控制，只管束独立的数据。是什么意思？

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The present water industrial automation control systems have become increasingly complex. For a large water treatment works, in the past the DCS systems, field bus, used in the on-site module PLC system, as well as for closed-loop control of MC system, their link to require high-speed, close, and th

Today's industrial automation control system of water more and more complex. On a large of water treatment engineering, past of DCS system, and site bus Shang all site unit used of PLC system and for closed ring control of MC system, they of links, requirements high speed of, and close of, entire sy