Then, the design of the main control interface is performed based on the analysis by IDEFO.
根据上位机的IDEFO分析进行了主要控制界面的设计；
Description of the current product development process was given, IDEFO model was established;
描述了现有产品开发流程，并建立了IDEFO模型；
The use of business-process-chart, IDEFO or PERT model cannot reveal the characteristics of the interval structure and rules of the business process.
运用业务流程图、IDEFO图、PERT模型法识别和改造流程，不能深刻揭示业务流程的内部结构特征和规律；
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