求翻译：当今，自动化控制系统已经在各行各业得到了广泛的应用和发展，而直流驱动控制作为电气传动的主流在现代化生产中起着主要作用。长期以来，直流电动机因其转速调节比较灵活，方法简单，易于大范围平滑调速，控制性能好等特点，一直在传动领域占有统治地位。它广泛应用于数控机床、工业机器人等工厂自动化设备中。是什么意思？

Today, automation and control systems in all walks of life, a wide range of applications and development, and DC drive control as the mainstream of electrical transmission plays a major role in modern production. A long time, the DC motor because the speed regulation is more flexible method is simpl

In today's world, automation and control system has been in all walks and a wide range of application development, and DC Drive control as a electrical drive, in the modern mainstream production has played a major role. Long-term, dc motor speed control because of their more flexible approach is sim

Now, the automation control system already obtained the widespread application and the development in all the various trades and occupations, but directs current the actuation control to take the electrical transmission the mainstream is playing the main role in the modernized production.Since long

Today, Automation control system has been widely used in various fields of applications and development, DC drive as drive mainstream plays a major role in the modernization of production. Long time, DC motor speed regulation more flexible, simple, easy to wide smooth speed, control characteristics