每个IBM软件产品都有一个支持网站，其中将网页集合组织为对该产品进行故障诊断所需要的最常用信息。
Each IBM software product has a support site that organizes a collection of pages into the most frequently-needed information for troubleshooting that product.
其中，历史数据的存储和查询是工业组态软件不可或缺的部分，它主要服务于工艺流程的改进、设备性能的维护以及故障原因的诊断。
Among these, it is very important to store and query the historical data, which is mainly used to improve the technology process, device performance maintenance and trouble diagnoses.
其中，历史数据的存储和查询是工业组态软件不可或缺的部分，它主要服务于工艺流程的改进、设备性能的维护以及故障原因的诊断。
Among these, it is very important to store and query the historical data, which is mainly used to improve the technology process, device performance maintenance and trouble diagnoses.
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