一个综合的项目组合管理系统应当包括战术过程和战略过程。
A comprehensive PPMS should contain both tactical and strategic processes.
所以，在控制系统的设计过程中要综合考虑控制要求、成本等多方面的因素，选用适当的控制电机。
So, in the design of control system during the process of comprehensive consideration of the control requirements, cost factors, choose the proper control motors.
介绍了炼钢上料、卸料综合运行系统的新方法，以及运用PLC技术在新工艺过程中的实现方法和控制原理。
New methods of the load and unload material system, realizing methods and controlling principle of PLC in the new process are introduced in this paper.
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