求翻译：过去，各大城市的给排水的工艺电气自动化专家们，利用贷款和政策的巨资支持，引进了许多高精度的水质分析仪器仪表，配置了昂贵的工控机、多功能的数据库、大型的显示盘，也采用了GIS管网监控系统，用水量预测，投药量闭环控制，溶解氧控制、污水处理的PBF人工神经网络，污水处理中SBR工业流程的模糊控制技术等的软件和硬件的系统配置，其功能收效甚微，没有真正发挥其高精尖测控仪表的作用：就是因为没有一个完全开放的好的现场网络。是什么意思？

In the past, the city's water supply and drainage of major electrical automation technology experts, the use of huge amounts of money lending and policy support, the introduction of a number of high-precision water analysis instrument, equipped with expensive industrial machines, multi-functional da

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In the p

Past, all large city of to drainage of technology electrical automation expert were, using loan and policy of heavily support, introduced has many high precision of water quality analysis instrument instrument, configuration has expensive of industrial machine, and multifunctional of database, and l