1、
With the frequent characteristics only, we can Judge the flying quality of a DFC aircraft easiely.
利用频域特性, 可以方便地评定DFC飞机飞行品质等级.
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2、
This paper introduces the control method of the DFC-motor system with PLC.
介绍了用PLC实现数字变频器 - 电动机系统运行的控制方法.
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